{"title":"Hemi","description":"","products":[{"product_id":"valve-notcher-kit-hemi-predator","title":"Valve Notcher Kit, Hemi Predator","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060079460411,"sku":"NR-VLVNOTCH-HEMI","price":34.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/VLVNOTCH-HEMI-2.jpg?v=1764893556"},{"product_id":"valve-package-hemi-predator-big-valve-with-dual-springs","title":"Valve Package, Hemi Predator, Big Valve with Dual Springs","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca style=\"background-color: rgb(255, 255, 0);\" title=\"Main Menu\" href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eNR Racing Valve Train Package for 212 Hemi Predator - Dual Spring\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSS Lightweight Intake Valve (+.130\")\u003c\/li\u003e\n\u003cli\u003eSS Exhaust Valve (+.130\")\u003c\/li\u003e\n\u003cli\u003eDual Springs\u003c\/li\u003e\n\u003cli\u003eAluminum Retainers\u003c\/li\u003e\n\u003cli\u003eSplit Keepers\u003c\/li\u003e\n\u003cli\u003eAluminum 1.2 Roller Rockers\u003c\/li\u003e\n\u003cli\u003eLash Caps\u003c\/li\u003e\n\u003cli\u003eChrome Moly Pushrods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cb\u003e*Note:\u003c\/b\u003e\u003cspan\u003e Only fits \u003c\/span\u003e\u003cspan\u003enew-style Predators, Model 60363 [210FA] that come with a cast aluminum valve cover. Will not fit old-style Predators, Model 69730 [R210] that come with a stamped aluminum valve cover.\u003cbr\u003eSeats must be cut for 28mm intake.\u003c\/span\u003e\n\u003c\/div\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060081524795,"sku":"NR-NRVALVETRAINPACK-HEMI-D","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/NRVALVETRAINPACK-HEMI-D-2_541ab40f-e0b0-4e38-b096-7f79f1e8bdfa.png?v=1764893564"},{"product_id":"valve-cover-212-predator-hemi-with-pulse-fitting","title":"Valve Cover, 212 Predator Hemi with Pulse Fitting","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060081623099,"sku":"NR-HEMIVC-pulse","price":23.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/HEMIVC-pulse-2.jpg?v=1764893563"},{"product_id":"high-quality-lightweight-billet-black-valve-cover-for-420-hemi-predators","title":"High-Quality Lightweight Billet Black Valve Cover for 420 Hemi Predators","description":"\u003cp\u003eHigh-Quality Lightweight Billet Valve Cover for 420 Hemi Predators - Black Anodized\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060081983547,"sku":"NR-VC420-BILLET-BLK","price":107.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/VC420-BILLET-BLK-2_dc5c17ea-d26a-4d5a-9a37-ed935427bcea.png?v=1764893564"},{"product_id":"springs-valve-18lb-212-predator-with-hemi-head-pair","title":"Springs, Valve, 18lb, 212 Predator with Hemi Head, Pair","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060082212923,"sku":"NR-DCS-AN2","price":5.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/DCS-AN2-2.jpg?v=1764893564"},{"product_id":"valve-spring-package-stainless-steel-212-hemi-predator-dual-springs-with-28mm-intake","title":"Valve \u0026 Spring Package, Stainless Steel, 212 Hemi Predator, Dual Springs with 28mm Intake","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060084244539,"sku":"NR-NRVALVEPACK-HEMI-D","price":71.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/NRVALVEPACK-Hemi-S-2T.jpg?v=1764893568"},{"product_id":"high-quality-lightweight-billet-valve-cover-for-420-hemi-predators","title":"High-Quality Lightweight Billet Valve Cover for 420 Hemi Predators","description":"\u003cp\u003eHigh-Quality Lightweight Billet Valve Cover for 420 Hemi Predators\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060084277307,"sku":"NR-VC420-BILLET","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/VC420-BILLET-2.jpg?v=1764893568"},{"product_id":"valve-package-hemi-predator-27mm-with-single-springs","title":"Valve Package, Hemi Predator, 27mm with Single Springs","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eNR Racing Valve Train Package for 212 Hemi Predator - Single Spring\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSS Lightweight 27mm Intake Valve\u003c\/li\u003e\n\u003cli\u003eSS Exhaust 25mm Valve\u003c\/li\u003e\n\u003cli\u003e26lb Springs\u003c\/li\u003e\n\u003cli\u003eAluminum Retainers\u003c\/li\u003e\n\u003cli\u003eSplit Keepers\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLash Caps\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1.2 Steel Roller Tip Rockers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eChrome Moly Pushrods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003eRocker Arms not included, use stock rocker arms.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cb\u003e*Note:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003eOnly fits \u003c\/span\u003e\u003cspan\u003enew-style Predators, Model 60363 [210FA] that came with a cast aluminum valve cover. Will not fit old-style Predators, Model 69730 [R210] that came with a stamped aluminum valve cover.\u003cbr\u003eRocker arms not included - use stock rocker arms.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060084572219,"sku":"NR-NRVALVETRAINPACK-HEMI-S","price":151.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/NRVALVETRAINPACK-HEMI-S-2_ce533e81-26ca-4052-958e-906f0e68f48d.png?v=1764893570"},{"product_id":"valve-set-420-hemi-predator-38-34mm","title":"Valve Set, 420 Hemi Predator, 38\/34mm","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060084867131,"sku":"NR-VLVSET-420PRED","price":18.42,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/VLVSET-420PRED-2_fa7ee850-24d0-4065-b1c6-66d73164db61.png?v=1764893570"},{"product_id":"clear-plexiglass-valve-cover-for-212-hemi-predators","title":"Clear Plexiglass Valve Cover for 212 Hemi Predators","description":"\u003cp\u003eClear Plexiglass Valve Cover for 212 Hemi Predators\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060084965435,"sku":"NR-HEMI-CL-VC","price":26.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/HEMI-CL-VC-2.jpg?v=1764893570"},{"product_id":"billet-aluminum-valve-cover-spacer-for-hemi-predator","title":"Billet Aluminum Valve Cover Spacer for Hemi Predator","description":"\u003cp\u003eAllows roller rockers to clear valve cover baffle and fits 212 Predators with Hemi heads\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060086833211,"sku":"NR-200VCSPACER-HEMI","price":26.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/200VCSPACER-HEMI-2.jpg?v=1764893581"},{"product_id":"arc-billet-side-cover-for-gx200-clone-and-hemi-predator-engines","title":"ARC Billet Side Cover for GX200\/Clone and Hemi Predator Engines","description":"\u003cp\u003eThis side cover has the attention to detail and good looks that have come to be expected of ARC's billet products. It features side-by-side dual ball bearings that support the crank and give it another fulcrum point to help eliminate any crankshaft flexing.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060088176699,"sku":"NR-6057","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/6057-2.jpg?v=1764893582"},{"product_id":"side-cover-crankcase-212-predator-hemi","title":"Side Cover, Crankcase, 212 Predator, Hemi","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Parts\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX, Predator, Tillotson and Briggs Animal engines for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060088373307,"sku":"NR-PREDSIDECVR-NEW","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/CLONESIDECVR-2.png?v=1764893583"},{"product_id":"valve-spring-package-stainless-steel-212-hemi-predator-single-springs-with-27mm-intake","title":"Valve \u0026 Spring Package, Stainless Steel, 212 Hemi Predator, Single Springs with 27mm Intake","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060088668219,"sku":"NR-NRVALVEPACK-Hemi-S","price":63.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/NRVALVEPACK-Hemi-S-2.jpg?v=1764893585"},{"product_id":"valve-cover-212-predator-hemi","title":"Valve Cover, 212 Predator Hemi","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060089258043,"sku":"NR-HEMIVC","price":18.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/HEMIVC-2.jpg?v=1764893585"},{"product_id":"ec-advanced-billet-side-cover-for-gx200-6-5hp-clone-212-hemi-predator-tillotson","title":"EC Advanced Billet Side Cover for GX200, 6.5HP Clone, 212 Hemi Predator, Tillotson","description":"\u003cp class=\"p3\"\u003e\u003cspan\u003eThe latest version of the EC Advanced Billet Side Cover brings performance, precision, and ease of use to a new level. Designed for Honda GX200-style engines and compatible clones, this upgraded billet side cover improves durability, oil capacity, and crankcase pressure control—while simplifying installation and maintenance for serious racers and builders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eWhether you're assembling a race-ready engine or upgrading a performance mini bike, EC Carburetors' billet side cover delivers precision machining, innovative design, and race-proven functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan\u003eKey Features \u0026amp; Engineering Updates:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eRedesigned Crankcase Ventilation (PCV) Setup\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePCV Valve Removed: Due to customer feedback, the built-in PCV valve has been eliminated. Most users route ventilation through the valve cover or external catch can, improving clarity and function.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eOptional PCV Use: You can still add a PCV valve using the top oil fill hole with a 280 valve.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePulse Fitting Included: Use for oil recirculation or pulse-operated fuel pumps, especially when top oil holes are blocked.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eOptimized Oil Fill \u0026amp; Dipstick Placement\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eTop Oil Fill Only: Improved clearance for stock fuel tanks and electric starters.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eBillet Dipstick: Now located on the front—easier access for go-karts and mini bikes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRear Fill Hole Removed: No longer needed, reducing potential leak points and hardware complexity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eBlack Anodized Finish: Prevents galling and seizing of dipstick and cap, ensuring smooth maintenance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eMaintains Full Oil Capacity\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eUnlike other billet covers that flatten the internal surface and reduce sump volume, EC's design retains the engine’s original oil capacity. Benefits include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eReduced Windage Loss\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eImproved Lubrication \u0026amp; Cooling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSlower Oil Breakdown\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eBetter Performance from Oil Additive Packages\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eEnhanced Sealing \u0026amp; Structure\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e23\" O-Ring Groove: Machined groove provides superior crankcase sealing over traditional gaskets.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSolid Dowel Pins (x2): Replace stock hollow pins for maximum side cover stability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCap Screws Included: Accepts 8Mx35 socket head cap screws, or upgrade to the optional EC Stud Kit for even greater strength and alignment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRecommended for Use with Tillotson Reinforced Blocks\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003ePrecision Camshaft Bearing Support\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSteel Cam Bearing: Outlasts aluminum or bronze bushings and reduces friction—easier to replace, too.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eOptional Stud Setup Instructions\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eIf using studs, install solid dowels first to ensure proper alignment. Installing studs before seating the cover can cause misalignment and potential damage to the block or cover.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan\u003eWhat’s Included:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePrecision-Machined Billet Side Cover\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCrankshaft Bearing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCamshaft Steel Bearing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePremium Red Oil Seal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e23\" Sealing O-Ring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eEC Billet Oil Cap (Black Anodized)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePulse Fitting\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e2 Solid Dowel Pins\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e8Mx35 Standard Cap Screws \u003ci\u003e(Stud Kit sold separately)\u003c\/i\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan\u003eFitment Guide:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eCompatible With:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eHonda GX200\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eTillotson: 196R, 212R\/RS, 212E\/EE, 225R\/RS, 228R, 236R, 240RX, 263R, 268R\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eDucar: 196, 212, 224\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eHarbor Freight: Predator 212 Hemi, Ghost 212\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eWildcat 223*, 240RS \u003ci\u003e(Covers 7th bolt hole on 223)\u003c\/i\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cspan\u003eNot Compatible With:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePredator 212 Non-Hemi\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\u003cspan\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePredator 224 Hemi\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060089880635,"sku":"NR-ECSC200","price":159.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/ECSC200-2_abdd8bef-9e1d-4481-8a92-efafebe6c1c0.png?v=1764893586"},{"product_id":"aftermarket-replacement-crankcase-side-cover-for-gx200-212-hemi-predator","title":"Aftermarket Replacement Crankcase Side Cover for GX200, 212 Hemi Predator","description":"\u003cp\u003eFits yellow and red style OHV clones (4-bolt only).\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060090142779,"sku":"NR-CLONESIDECVR","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/CLONESIDECVR-2_650027b2-5a4e-40ad-aa26-e5c747d03894.png?v=1764893587"},{"product_id":"high-quality-billet-valve-cover-for-212-predator-hemi","title":"High-Quality Billet Valve Cover for 212 Predator Hemi","description":"\u003cp\u003eHigh-Quality Billet Valve Cover for 212 Predator Hemi\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060092272699,"sku":"NR-VCHEMI-BILLET-THREADED","price":65.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/VCHEMI-BILLET-THREADED-2_7bc9aeee-6ea7-4237-9b74-0218e442a59c.png?v=1764893592"},{"product_id":"springs-valve-212-predator-hemi-take-off-pair","title":"Springs, Valve, 212 Predator Hemi, Take Off, Pair","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060092534843,"sku":"NR-212HEMI-SPRINGS-TO","price":1.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/212HEMI-SPRINGS-TO-2_0bbeb0dd-6973-410b-a775-3a31fd9e02db.png?v=1764893592"},{"product_id":"valve-set-212-hemi-predator-27-25mm","title":"Valve Set, 212 Hemi Predator, 27\/25mm","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060093648955,"sku":"NR-VLVSET-HEMI","price":18.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/VLVSET-HEMI-2_45f22a08-86a6-483d-ba34-fbeb0b5c5978.png?v=1764893595"},{"product_id":"high-quality-billet-valve-cover-for-212-hemi-predators","title":"High-Quality Billet Valve Cover for 212 Hemi Predators","description":"\u003cp\u003eHigh-Quality Billet Valve Cover for 212 Hemi Predators\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060094599227,"sku":"NR-VCHEMI-BILLET","price":66.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/VCHEMI-BILLET-2.jpg?v=1764893620"},{"product_id":"oem-420-hemi-predator-valve-cover","title":"OEM 420 Hemi Predator Valve Cover","description":"\u003cp\u003eOEM 420 Hemi Predator Valve Cover\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060094926907,"sku":"NR-420HEMIVC","price":22.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/420HEMIVC-2.png?v=1764893630"},{"product_id":"rocker-arms-for-hemi-420-predators","title":"Rocker Arms for Hemi 420 Predators","description":"\u003cp\u003e\u003cb\u003eRocker Arms for Hemi 420 Predators\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes pins and hardware\u003c\/li\u003e\n\u003cli\u003eWill not fit OHVs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060096827451,"sku":"NR-420HEMIROCKERS-OEM","price":11.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/420HEMIROCKERS-OEM-2_3deb8fc3-6dff-403b-9feb-fae324c60c02.png?v=1764893680"},{"product_id":"rocker-arms-212-hemi-predator-oem-with-pins-pair","title":"Rocker Arms, 212 Hemi Predator, OEM with Pins, Pair","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/rocker-arms\" title=\"Racing Rocker Arms for Honda GX Series Engones\" style=\"background-color: rgb(255, 255, 0);\"\u003eRocker Arms\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eStock Rocker Arm Assembly for Hemi 212 Predators\u003cbr\u003e\u003c\/b\u003e\u003cspan\u003eIncludes pins\u003c\/span\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060096860219,"sku":"NR-HEMIROCKERS-OEM","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/HEMIROCKERS-OEM-2.jpg?v=1764893680"},{"product_id":"replacement-pushrod-for-212-hemi-predator","title":"Replacement Pushrod for 212 Hemi Predator","description":"\u003cp\u003eAftermarket Replacement Pushrod for Hemi 212 Predators\u003cbr\u003e\nNew take-off part\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060099252283,"sku":"NR-14410-ZE1-HEMI","price":5.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/14410-ZE1-HEMI-2_153b3f29-de9d-442b-be7c-22549bfd2e39.png?v=1764893688"},{"product_id":"piston-90mm-flat-top-for-420cc-hemi-predator","title":"Piston, 90mm Flat-Top for 420cc Hemi Predator","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/pistons\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003ePistons\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060100497467,"sku":"NR-420pistonkit-Hemi","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/420pistonkit-Hemi-2_062a3c56-3766-4ae3-ab66-cbee4439e768.png?v=1764893690"},{"product_id":"piston-90mm-flat-top-for-420cc-hemi-predator-new-take-off","title":"Piston, 90mm Flat-Top for 420cc Hemi Predator, New Take-Off","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/pistons\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003ePistons\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060100890683,"sku":"NR-420pistonkit-Hemi-TO","price":10.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/420pistonkit-Hemi-TO-2.png?v=1764893690"},{"product_id":"nr-rocker-arms-roller-aluminum-full-roller-212-hemi-predator-pair","title":"NR Rocker Arms, Roller, Aluminum Full Roller, 212 Hemi Predator, Pair","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/rocker-arms\" title=\"Racing Rocker Arms for Honda GX Series Engones\" style=\"background-color: rgb(255, 255, 0);\"\u003eRocker Arms\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eNR Racing\u003c\/i\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eAluminum Full Roller Rockers for the Hemi Head | Choice of 1.2 or 1.3 Ratio\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan\u003eThese rockers are crafted using aircraft-grade billet aluminum and feature replaceable steel roller tips. New steel shafts and roller bearings included.\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eDyno-tested to 10,000rpm and proven to increase horsepower\u003c\/li\u003e\n\u003cli\u003eDue to canted valve arrangement, Hemis may have valve-to-piston clearance issue with high-lift cam, especially with the 1.3 ratio.\u003c\/li\u003e\n\u003cli\u003eThese rocker arms require shorter pushrods (typically 5.260 or 5.340, depending on cam and head milling).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cb\u003e*Note:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eThese are designed to work with standard length or +.070\" valves. They are not recommended for the +.230\" valves. May require valve cover spacer or minor grinding on valve cover grinder for clearance.\u003c\/div\u003e","brand":"GoKarts USA®","offers":[{"title":"1.2 Ratio","offer_id":43060103151675,"sku":"NR-NRROCK-ALUMHEMI","price":129.0,"currency_code":"USD","in_stock":true},{"title":"1.3 Ratio","offer_id":43060103184443,"sku":"NR-NRROCK-ALUMHEMI","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/NRROCK-ALUMHEMI-2.jpg?v=1764893698"},{"product_id":"ring-set-212-predator-hemi-head-with-550-compression-height","title":"Ring Set, 212 Predator, Hemi Head with .550 Compression Height","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Parts\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX, Predator, Tillotson and Briggs Animal engines for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060103315515,"sku":"NR-RINGSET-70-036036096","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/RINGSET-70-036036096-2_aefd6efc-919a-4976-9f9f-cfe857631181.png?v=1764893698"},{"product_id":"shaft-mounted-roller-rocker-arms-for-420-hemi-predator","title":"Shaft Mounted Roller Rocker Arms for 420 Hemi Predator","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/rocker-arms\" title=\"Racing Rocker Arms for Honda GX Series Engones\" style=\"background-color: rgb(255, 255, 0);\"\u003eRocker Arms\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuper strong, high-ratio rocker arms (1.3 ratio)\u003cbr\u003eFits 420 Hemi Predators. Will not fit non-hemi 420s or Hondas.\u003cbr\u003eMust shave pin hole width - .010\/.012' to fit 301 Hemi Predators.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060103479355,"sku":"NR-NRROCK-SM420-13","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/NRROCK-SM420-13-2.jpg?v=1764893699"},{"product_id":"nr-rocker-arms-roller-tip-ducar-hemi-tillotson-hemi-1-2-ratio-pair","title":"NR Rocker Arms, Roller Tip, Ducar Hemi \u0026 Tillotson Hemi, 1.2 Ratio, Pair","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/rocker-arms\" title=\"Racing Rocker Arms for Honda GX Series Engones\" style=\"background-color: rgb(255, 255, 0);\"\u003eRocker Arms\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRoller Tip Rocker Arms for the Ducar Hemi Engine - Pair\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.2 ratio\u003c\/li\u003e\n\u003cli\u003eDesigned to use factory mounting\u003c\/li\u003e\n\u003cli\u003eManufactured from 4130 chrome-moly steel\u003c\/li\u003e\n\u003cli\u003eFits 212 Ducar Hemis\u003c\/li\u003e\n\u003cli\u003eFits 212 Tillotson Hemis\u003c\/li\u003e\n\u003cli\u003eFits 212 Predator Ghost\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e*Note:\u003c\/b\u003e\u003cspan\u003e Valve cover baffle may need to be dimpled for clearance.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060104003643,"sku":"NR-NRROCK-DUCAR-12","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/NRROCK-DUCAR-12-2.png?v=1764893709"},{"product_id":"nr-rocker-arms-roller-tip-ducar-hemi-tillotson-hemi-1-2-ratio-pair-1","title":"NR Rocker Arms, Roller Tip, Ducar Hemi \u0026 Tillotson Hemi, 1.2 Ratio, Pair","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/rocker-arms\" title=\"Racing Rocker Arms for Honda GX Series Engones\" style=\"background-color: rgb(255, 255, 0);\"\u003eRocker Arms\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNR Racing Roller Tip Rocker Arms for GX270, GX390, and 13\/15 Clone OHV - Pair\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eChoice of 1.2 or 1.3 Ratio\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003c\/b\u003eMachined from chrome-moly steel\u003c\/li\u003e\n\u003cli\u003eHardened roller tips and shafts\u003c\/li\u003e\n\u003cli\u003eDyno-tested to 10,000rpm and proven to increase horsepower\u003c\/li\u003e\n\u003cli\u003eUses stock shaft and pivot nut\u003c\/li\u003e\n\u003cli\u003eFits under stock valve cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e*Note: Dual springs may cause excessive shaft stretching or breakage.\u003cbr\u003e\u003c\/b\u003e\u003cspan\u003eThese rocker arms require shorter pushrods (typically 5.62 for GX270 and 6.44 for GX390).\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060105019451,"sku":"NR-NRROCK-RT390","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/NRROCK-RT390-2.jpg?v=1764893714"},{"product_id":"pushrod-420-predator-hemi-7","title":"Pushrod, 420 Predator, Hemi, 7''","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Parts\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX, Predator, Tillotson and Briggs Animal engines for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060105936955,"sku":"NR-14410-420PRED","price":6.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/14410-Z1C-000-2T_76854da8-f4ec-4d42-bbc4-434aef32fe77.png?v=1764893724"},{"product_id":"speed-kit-420-hemi-predator-stage-3","title":"Speed Kit, 420 Hemi Predator, Stage 3","description":"\u003cp\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca style=\"background-color: rgb(255, 255, 0);\" title=\"Speed Kit Selection Guide\" href=\"https:\/\/gokartsusa.biz\/pages\/speed-kit-selection-guide\"\u003eSpeed Kit Selection Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA step up from our \u003c\/span\u003e\u003cb\u003eStage 2 kit\u003c\/b\u003e\u003cspan\u003e, this will further empower the 420, producing up to 20+ HP!\u003c\/span\u003e\u003cbr\u003e\u003ci\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e\u003cb\u003e*Note*\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eUnlike the Stage 2, this kit will not work with OHVs! For a GX390 \u0026amp; 13\/15hp OHV Stage 3 kit\u003c\/i\u003e\u003ci\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/i\u003e\u003cb\u003eKit Includes:\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRace\/Open Air Filter \u0026amp; Adapter\u003c\/li\u003e\n\u003cli\u003eHeavy Duty Valve Springs\u003c\/li\u003e\n\u003cli\u003eOffset Timing Key\u003c\/li\u003e\n\u003cli\u003e23.5mm Honda Race Carb (Bored)\u003c\/li\u003e\n\u003cli\u003e280 Lift Cam\u003c\/li\u003e\n\u003cli\u003eBillet Rod +.040\" Longer\u003c\/li\u003e\n\u003cli\u003eCarb, Side Cover, and Valve Cover Gaskets\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eOptional \u003ca href=\"https:\/\/gokartsusa.biz\/collections\/gokart-minibike-racing-exhaust\"\u003eHeader\/Exhaust\u003c\/a\u003e\u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eOptional Aluminum Flywheel\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e*Note:\u003c\/b\u003e\u003cspan\u003e Use of the choke bracket requires use of a stock Honda (or Chinese OHV) \"Air Filter-to-Carb\" Gasket. This is not included in the kit. You can use the one that came with the motor.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePictures are for reference only and may show optional parts. Please see above description for actual contents.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFilter should be sprayed with a K\u0026amp;N type oil, especially for dirt applications. Oil is not included\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAlthough optional, the billet aluminum flywheel is recommended. Stock flywheels, especially \"clones\", are prone to failure and are dangerous.\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"No Flywheel \/ No Exhaust","offer_id":43110531170363,"sku":"NR-STAGE3KIT420","price":359.0,"currency_code":"USD","in_stock":true},{"title":"No Flywheel \/ Add Header- Kart \u0026 Mini Bike [+$40]","offer_id":43110531203131,"sku":"NR-STAGE3KIT420","price":399.0,"currency_code":"USD","in_stock":true},{"title":"No Flywheel \/ Add Mud Motor Header \u0026 Muffler (GX390) [+$45]","offer_id":43110531235899,"sku":"NR-STAGE3KIT420","price":405.0,"currency_code":"USD","in_stock":true},{"title":"Add Aluminum Flywheel - Recoil Start [+$166] \/ No Exhaust","offer_id":43110531268667,"sku":"NR-STAGE3KIT420","price":525.0,"currency_code":"USD","in_stock":true},{"title":"Add Aluminum Flywheel - Recoil Start [+$166] \/ Add Header- Kart \u0026 Mini Bike [+$40]","offer_id":43110531301435,"sku":"NR-STAGE3KIT420","price":565.0,"currency_code":"USD","in_stock":true},{"title":"Add Aluminum Flywheel - Recoil Start [+$166] \/ Add Mud Motor Header \u0026 Muffler (GX390) [+$45]","offer_id":43110531334203,"sku":"NR-STAGE3KIT420","price":570.0,"currency_code":"USD","in_stock":true},{"title":"Add Aluminum Flywheel - Electric Start [+$223] \/ No Exhaust","offer_id":43110531366971,"sku":"NR-STAGE3KIT420","price":582.0,"currency_code":"USD","in_stock":true},{"title":"Add Aluminum Flywheel - Electric Start [+$223] \/ Add Header- Kart \u0026 Mini Bike [+$40]","offer_id":43110531399739,"sku":"NR-STAGE3KIT420","price":622.0,"currency_code":"USD","in_stock":true},{"title":"Add Aluminum Flywheel - Electric Start [+$223] \/ Add Mud Motor Header \u0026 Muffler (GX390) [+$45]","offer_id":43110531432507,"sku":"NR-STAGE3KIT420","price":627.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/STAGE3KIT420-2.png?v=1764893745"},{"product_id":"speed-kit-420-hemi-engines-stage-4","title":"Speed Kit, 420 Hemi Engines Stage 4","description":"\u003cdiv\u003e\n\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/speed-kit-selection-guide\" title=\"Speed Kit Selection Guide\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Kit Selection Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003eThe Stage 4 kit starts with a package similar to that of the\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eStage 3\u003c\/b\u003e, but adds a ported and milled hemi head with stainless valves, a stud kit, and heavy duty valve train components. This kit allows up to 35+ HP out of a 420!\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cspan\u003eKit Includes:\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eFully Ported HEMI Race Head\u003c\/li\u003e\n\u003cli\u003eHigh Flow 40mm \/ 34mm Valves with Lash Caps\u003c\/li\u003e\n\u003cli\u003eDual Springs with Titanium Retainers\u003c\/li\u003e\n\u003cli\u003e307 Race Cam\u003c\/li\u003e\n\u003cli\u003eShaft Mounted Roller Rockers\u003c\/li\u003e\n\u003cli\u003eChrome Moly Pushrods\u003c\/li\u003e\n\u003cli\u003eChoice of Carbs\u003cspan\u003e \u003c\/span\u003e\u003ci\u003e(Or use your own)\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003eForged Flat-Top Piston with Rings\u003c\/li\u003e\n\u003cli\u003eBillet Rod\u003cspan\u003e \u003c\/span\u003e\u003ci\u003e(+.040\" Longer)\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003eOffset Timing Key\u003c\/li\u003e\n\u003cli\u003eCarb, Insulator, Head, Valve Cover, and Case Gaskets\u003c\/li\u003e\n\u003cli\u003eARP Bolt Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cb\u003e*Note:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003ePicture is for reference only and may show optional parts. See above description for actual content. Filter should be sprayed with K\u0026amp;N type oil, especially in dirt applications. These kits are intended for experienced engine builders. Some clearancing, fitment, or other engine building \"tricks\" may be needed. Billet aluminum flywheel required.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003ci\u003eDue to the head work required for this kit, please allow 1 week to ship.\u003c\/i\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"GoKarts USA®","offers":[{"title":"None (Customer To Supply Carb \/ No Flywheel","offer_id":43110532153403,"sku":"NR-STAGE4KIT420-H","price":895.0,"currency_code":"USD","in_stock":true},{"title":"None (Customer To Supply Carb \/ Add Aluminum Flywheel - Recoil Start","offer_id":43110532186171,"sku":"NR-STAGE4KIT420-H","price":1061.0,"currency_code":"USD","in_stock":true},{"title":"None (Customer To Supply Carb \/ Add Aluminum Flywheel - Electric Start","offer_id":43110532218939,"sku":"NR-STAGE4KIT420-H","price":1118.0,"currency_code":"USD","in_stock":true},{"title":"34mm Round Slide Mikuni - Gas \/ No Flywheel","offer_id":43110532251707,"sku":"NR-STAGE4KIT420-H","price":1123.0,"currency_code":"USD","in_stock":true},{"title":"34mm Round Slide Mikuni - Gas \/ Add Aluminum Flywheel - Recoil Start","offer_id":43110532284475,"sku":"NR-STAGE4KIT420-H","price":1289.0,"currency_code":"USD","in_stock":true},{"title":"34mm Round Slide Mikuni - Gas \/ Add Aluminum Flywheel - Electric Start","offer_id":43110532317243,"sku":"NR-STAGE4KIT420-H","price":1289.0,"currency_code":"USD","in_stock":true},{"title":"34mm Flat Slide Mikuni Gas \/ No Flywheel","offer_id":43110532350011,"sku":"NR-STAGE4KIT420-H","price":1125.0,"currency_code":"USD","in_stock":true},{"title":"34mm Flat Slide Mikuni Gas \/ Add Aluminum Flywheel - Recoil Start","offer_id":43110532382779,"sku":"NR-STAGE4KIT420-H","price":1295.0,"currency_code":"USD","in_stock":true},{"title":"34mm Flat Slide Mikuni Gas \/ Add Aluminum Flywheel - Electric Start","offer_id":43110532415547,"sku":"NR-STAGE4KIT420-H","price":1345.0,"currency_code":"USD","in_stock":true},{"title":"33mm Mikuni Pumper Gas \/ No Flywheel","offer_id":43110532448315,"sku":"NR-STAGE4KIT420-H","price":1344.0,"currency_code":"USD","in_stock":true},{"title":"33mm Mikuni Pumper Gas \/ Add Aluminum Flywheel - Recoil Start","offer_id":43110532481083,"sku":"NR-STAGE4KIT420-H","price":1511.0,"currency_code":"USD","in_stock":true},{"title":"33mm Mikuni Pumper Gas \/ Add Aluminum Flywheel - Electric Start","offer_id":43110532513851,"sku":"NR-STAGE4KIT420-H","price":1568.0,"currency_code":"USD","in_stock":true},{"title":"33mm Mikuni Pumper Methanol \/ No Flywheel","offer_id":43110532546619,"sku":"NR-STAGE4KIT420-H","price":1321.0,"currency_code":"USD","in_stock":true},{"title":"33mm Mikuni Pumper Methanol \/ Add Aluminum Flywheel - Recoil Start","offer_id":43110532579387,"sku":"NR-STAGE4KIT420-H","price":1487.0,"currency_code":"USD","in_stock":true},{"title":"33mm Mikuni Pumper Methanol \/ Add Aluminum Flywheel - Electric Start","offer_id":43110532612155,"sku":"NR-STAGE4KIT420-H","price":1544.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/STAGE4KIT420-H-2.png?v=1764893745"},{"product_id":"22cc-212-predator-hemi-style-head-with-5-5mm-guides","title":"22cc 212 Predator Hemi-Style Head with 5.5mm Guides","description":"\u003cstyle\u003e\n.footer-links { text-align: left; padding: 20px; margin: 30px 0; font-size: clamp(12px, 2.5vw, 16px); } .footer-links a { color: #000; text-decoration: none; font-weight: 700; margin: 0 10px; border-bottom: 2px solid #ffcc00; transition: all 0.3s; display: inline-block; } .footer-links a:hover { color: #ffcc00; }\n\u003c\/style\u003e\n\u003cdiv class=\"nonselectable\"\u003e\n\u003cdiv class=\"footer-links\"\u003e\n\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/parts-for-powersports\"\u003e\u003c\/a\u003e\u003ca title=\"Cylinder Heads\" href=\"https:\/\/gokartsusa.biz\/collections\/cylinder-head-kart-racing\"\u003eHead\u003c\/a\u003e | \u003ca title=\"Guide\" href=\"https:\/\/gokartsusa.biz\/pages\/head-selection-guide\"\u003eGuide\u003c\/a\u003e | \u003ca title=\"Racing Engine Parts \" href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\"\u003eHotrod\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eSeats are for 27\/25 valves, but can be cut to 28mm.\u003c\/li\u003e\n\u003cli\u003eBare heads do not include valves, studs, springs, guide plates, seals,\u003cspan\u003e \u003c\/span\u003e\u003ci\u003eetc.\u003c\/i\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060113899579,"sku":"NR-Head-22cc-hemi-bare","price":52.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/Head-22cc-hemi-bare-2.jpg?v=1764893754"},{"product_id":"linkage-top-plate-assembly-gx200-6-5-clones-212-hemi-predator-224-predator-ducar","title":"Linkage\/Top Plate Assembly; GX200, 6.5 Clones, 212 Hemi Predator, 224 Predator \u0026 Ducar","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Parts\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX, Predator, Tillotson and Briggs Animal engines for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060113932347,"sku":"NR-DJ-1146","price":30.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/DJ-1146-2.png?v=1764893755"},{"product_id":"speed-kit-212-predator-hemi-choose-options-stage-4","title":"Speed Kit, 212 Predator Hemi - Stage 4  (Choose Options)","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/speed-kit-selection-guide\" title=\"Speed Kit Selection Guide\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Kit Selection Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor serious engine builders looking for great power and good reliability, we offer our Stage 4 kit! This package is similar to our \u003c\/span\u003e\u003cb\u003eStage 3\u003c\/b\u003e\u003cspan\u003e, but adds a ported and milled hemi head, stainless steel valves, billet rockers, and a great all-around camshaft package. Allows up to 20hp or more!\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eKit Includes:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePorted and Milled Head\u003c\/li\u003e\n\u003cli\u003eApproximately 10:1 Compression Ratio for Use with Pump Gas\u003c\/li\u003e\n\u003cli\u003eStainless Steel, High-Flow 28mm Intake and 25mm Exhaust Valves\u003c\/li\u003e\n\u003cli\u003e37lb Springs\u003c\/li\u003e\n\u003cli\u003e1.2 Ratio Billet Steel Rocker Arms\u003c\/li\u003e\n\u003cli\u003eChrome Moly Pushrods\u003c\/li\u003e\n\u003cli\u003e280-0611 Camshaft\u003c\/li\u003e\n\u003cli\u003eStud Kit\u003c\/li\u003e\n\u003cli\u003eLash Caps\u003c\/li\u003e\n\u003cli\u003eLong Billet Rod (+.020\")\u003c\/li\u003e\n\u003cli\u003eComplete Gasket Kit\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eCarburetor Option\u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eOptional Flywheel\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003e\u003cbr\u003e\u003cb\u003e*Note:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eThis kit will not fit non-hemi Predator engines. Please see our\u003cspan\u003e \u003c\/span\u003e\u003cb\u003enon-hemi kits\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003efor those applications. These kits are intended for experienced engine builders. Some clearancing, fitting, and other engine building \"tricks\" may be necessary. Filter should be sprayed with K\u0026amp;N type oil, especially for dirt applications. Picture is for reference only. Actual content is based on above description and selections. The flywheel shown is optional.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAluminum flywheel required.\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eStock flywheels are prone to failure and are very dangerous!\u003cbr\u003e\u003cbr\u003eDue to the head work involved in this kit, please allow 1 week before shipping.\u003c\/i\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"No Carburetor (Customer to Supply Carb) \/ No Flywheel","offer_id":43060117405755,"sku":"NR-STAGE4HOPUP-PH-1","price":453.0,"currency_code":"USD","in_stock":true},{"title":"No Carburetor (Customer to Supply Carb) \/ Add 6600 PVL Flywheel with Digital Coil Hemi","offer_id":43060117438523,"sku":"NR-STAGE4HOPUP-PH-2","price":786.0,"currency_code":"USD","in_stock":true},{"title":"No Carburetor (Customer to Supply Carb) \/ Add Super Light 6602 with Small Fan Hemi","offer_id":43060117471291,"sku":"NR-STAGE4HOPUP-PH-3","price":592.0,"currency_code":"USD","in_stock":true},{"title":"22mm Mikuni - Gas \/ No Flywheel","offer_id":43060117504059,"sku":"NR-STAGE4HOPUP-PH-4","price":547.0,"currency_code":"USD","in_stock":true},{"title":"22mm Mikuni - Gas \/ Add 6600 PVL Flywheel with Digital Coil Hemi","offer_id":43060117536827,"sku":"NR-STAGE4HOPUP-PH-5","price":786.0,"currency_code":"USD","in_stock":true},{"title":"22mm Mikuni - Gas \/ Add Super Light 6602 with Small Fan Hemi","offer_id":43060117569595,"sku":"NR-STAGE4HOPUP-PH-6","price":592.0,"currency_code":"USD","in_stock":true},{"title":"24mm Flat Slide Mikuni - Gas \/ No Flywheel","offer_id":43060117602363,"sku":"NR-STAGE4HOPUP-PH-7","price":658.0,"currency_code":"USD","in_stock":true},{"title":"24mm Flat Slide Mikuni - Gas \/ Add 6600 PVL Flywheel with Digital Coil Hemi","offer_id":43060117635131,"sku":"NR-STAGE4HOPUP-PH-8","price":991.0,"currency_code":"USD","in_stock":true},{"title":"24mm Flat Slide Mikuni - Gas \/ Add Super Light 6602 with Small Fan Hemi","offer_id":43060117667899,"sku":"NR-STAGE4HOPUP-PH-9","price":797.0,"currency_code":"USD","in_stock":true},{"title":"28mm Gas Black Round Slide \/ No Flywheel","offer_id":43060117700667,"sku":"NR-STAGE4HOPUP-PH-10","price":599.0,"currency_code":"USD","in_stock":true},{"title":"28mm Gas Black Round Slide \/ Add 6600 PVL Flywheel with Digital Coil Hemi","offer_id":43060117733435,"sku":"NR-STAGE4HOPUP-PH-11","price":932.0,"currency_code":"USD","in_stock":true},{"title":"28mm Gas Black Round Slide \/ Add Super Light 6602 with Small Fan Hemi","offer_id":43060117766203,"sku":"NR-STAGE4HOPUP-PH-12","price":738.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/STAGE4HOPUP-PH-2.png?v=1764893769"},{"product_id":"hemi-style-race-head-for-212-predators-and-gx200-engines","title":"Hemi Style Race Head for 212 Predators and GX200 Engines","description":"\u003cstyle\u003e\n.footer-links { text-align: left; padding: 20px; margin: 30px 0; font-size: clamp(12px, 2.5vw, 16px); } .footer-links a { color: #000; text-decoration: none; font-weight: 700; margin: 0 10px; border-bottom: 2px solid #ffcc00; transition: all 0.3s; display: inline-block; } .footer-links a:hover { color: #ffcc00; }\n\u003c\/style\u003e\n\u003cdiv class=\"nonselectable\"\u003e\n\u003cdiv class=\"footer-links\"\u003e\n\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/parts-for-powersports\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/cylinder-head-kart-racing\" title=\"Cylinder Heads\"\u003eHead\u003c\/a\u003e | \u003ca href=\"https:\/\/gokartsusa.biz\/pages\/head-selection-guide\" title=\"Guide\"\u003eGuide\u003c\/a\u003e | \u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Racing Engine Parts\"\u003eHotrod\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFully-ported and bead blasted (option to delete)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMilled to increase compression\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOversize lightweight stainless valves, 28mm Intake, 25mm Exhaust (Choice of +.070 or +.230\" longer)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAluminum retainers and split keepers with stainless steel valves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e3-angle valve job\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLash caps\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChoice of rocker arms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eChoice of single or dual springs\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eRequires 5.34 to 5.44 for the .070\" longer valves or 5.11 to 5.16 for the .230\" pushrods (not included). \u003c\/span\u003e\u003cspan\u003eHemi heads are prone to piston-to-valve clearance. They must be checked carefully. They are also subject to coil bind using .070\" valves. We do not recommend 1.3 rockers due to valve-to-piston clearance issues.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe .230\" valves may create improper valve geometry when using 1.2 or 1.3 ratio rockers.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cbr\u003e.274 and 1.2 rockers are the maximum recommended valve lift for .070\" long valves.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cb\u003e*Note:\u003c\/b\u003e\u003cspan\u003e Heads are typically built to order. Please allow approximately 1-5 days before shipping.\u003c\/span\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Do Not Mill \/ No Rocker Arms","offer_id":43060118913083,"sku":"NR-HEADHEMI","price":195.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Do Not Mill \/ OEM (Stock) Rocker Arms 1 to 1 [+$17.9]","offer_id":43060118945851,"sku":"NR-HEADHEMI","price":213.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Do Not Mill \/ 1.3 Aluminum Roller Rockers - GX390s Only [+$116]","offer_id":43060118978619,"sku":"NR-HEADHEMI","price":311.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Do Not Mill \/ Roller Tip Steel 1.2 Ratio [+$98]","offer_id":43060119011387,"sku":"NR-HEADHEMI","price":293.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Do Not Mill \/ Roller Tip Steel 1.3 Ratio [+$98]","offer_id":43060119044155,"sku":"NR-HEADHEMI","price":293.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Do Not Mill \/ 1.2 Aluminum Roller Rockers [+$116]","offer_id":43060119076923,"sku":"NR-HEADHEMI","price":311.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .025\" \/ No Rocker Arms","offer_id":43060119109691,"sku":"NR-HEADHEMI","price":195.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .025\" \/ OEM (Stock) Rocker Arms 1 to 1 [+$17.9]","offer_id":43060119142459,"sku":"NR-HEADHEMI","price":213.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .025\" \/ 1.3 Aluminum Roller Rockers - GX390s Only [+$116]","offer_id":43060119175227,"sku":"NR-HEADHEMI","price":311.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .025\" \/ Roller Tip Steel 1.2 Ratio [+$98]","offer_id":43060119207995,"sku":"NR-HEADHEMI","price":293.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .025\" \/ Roller Tip Steel 1.3 Ratio [+$98]","offer_id":43060119240763,"sku":"NR-HEADHEMI","price":294.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .025\" \/ 1.2 Aluminum Roller Rockers [+$116]","offer_id":43060119273531,"sku":"NR-HEADHEMI","price":311.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .050\" \/ No Rocker Arms","offer_id":43060119306299,"sku":"NR-HEADHEMI","price":195.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .050\" \/ OEM (Stock) Rocker Arms 1 to 1 [+$17.9]","offer_id":43060119339067,"sku":"NR-HEADHEMI","price":213.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .050\" \/ 1.3 Aluminum Roller Rockers - GX390s Only [+$116]","offer_id":43060119371835,"sku":"NR-HEADHEMI","price":311.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .050\" \/ Roller Tip Steel 1.2 Ratio [+$98]","offer_id":43060119404603,"sku":"NR-HEADHEMI","price":293.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .050\" \/ Roller Tip Steel 1.3 Ratio [+$98]","offer_id":43060119437371,"sku":"NR-HEADHEMI","price":293.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .050\" \/ 1.2 Aluminum Roller Rockers [+$116]","offer_id":43060119470139,"sku":"NR-HEADHEMI","price":311.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .065\" \/ No Rocker Arms","offer_id":43060119502907,"sku":"NR-HEADHEMI","price":195.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .065\" \/ OEM (Stock) Rocker Arms 1 to 1 [+$17.9]","offer_id":43060119535675,"sku":"NR-HEADHEMI","price":213.0,"currency_code":"USD","in_stock":true},{"title":"28Intake 25Exhaust (+.070\") 37lb Springs Alum Retainers \/ Mill Head .065\" \/ 1.3 Aluminum Roller Rockers - 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Simple to install, you can expect significant performance increases. Approximately 10+ HP.\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003eKit Includes:\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRace\/Open Air Filter \u0026amp; Adapter\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eChoke Bracket\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eCorrect Jet for Application \u003ci\u003e(*see notes below*)\u003c\/i\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eUpgraded Valve Springs (18 or 22lb)\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eValve Cover Gasket\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eChoice of Small Fan or Aluminum Flywheel\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eOffset Timing Key\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003ci\u003e\u003c\/i\u003e\u003c\/span\u003e\u003cspan\u003e\u003ci\u003eOptional Header\/Exhaust\u003c\/i\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003eManufacturers have been known to use different jets on the same models, so it is important to know the stock jet size!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e*Picture is for reference only and may show optional parts. See above description for actual content. Parts may be different than pictures, depending on which motor and options are selected. (When selecting the aluminum flywheel, the small fan is not included nor needed). Head gasket is not included.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003eFilter should be sprayed with a K\u0026amp;N type oil, especially in dirt applications. Oil not included\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003eAluminum or Honda flywheel recommended. Stock flywheels, especially \"clones\", are prone to failure and are very dangerous!\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003eWARNING: Header\/pipe should be supported with a bracket\/brace to either the frame or the engine; otherwise, pipe may fracture or break.\u003c\/span\u003e\u003c\/div\u003e","brand":"GoKarts USA®","offers":[{"title":"Kit with Small Fan and Offset Key (S1-PH) \/ No Exhaust","offer_id":43110536609851,"sku":"NR-STAGE1HOPUP-PH","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Kit with Small Fan and Offset Key (S1-PH) \/ Add Header- Kart","offer_id":43110536642619,"sku":"NR-STAGE1HOPUP-PH","price":82.0,"currency_code":"USD","in_stock":true},{"title":"Kit with Small Fan and Offset Key (S1-PH) \/ Add Header- Mini Bike","offer_id":43110536675387,"sku":"NR-STAGE1HOPUP-PH","price":79.0,"currency_code":"USD","in_stock":true},{"title":"Kit with Aluminum Flywheel (Dyno PVL for Hemi) \/ No Exhaust","offer_id":43110536708155,"sku":"NR-STAGE1HOPUP-PH","price":117.0,"currency_code":"USD","in_stock":true},{"title":"Kit with Aluminum Flywheel (Dyno PVL for Hemi) \/ Add Header- Kart","offer_id":43110536740923,"sku":"NR-STAGE1HOPUP-PH","price":149.0,"currency_code":"USD","in_stock":true},{"title":"Kit with Aluminum Flywheel (Dyno PVL for Hemi) \/ Add Header- Mini Bike","offer_id":43110536773691,"sku":"NR-STAGE1HOPUP-PH","price":147.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/STAGE1HOPUP-PH-2.png?v=1764893774"},{"product_id":"speed-kit-212-predator-hemi-stage-3","title":"Speed Kit, 212 Predator Hemi, Stage 3","description":"\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/speed-kit-selection-guide\" title=\"Speed Kit Selection Guide\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Kit Selection Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eNow you are getting serious! A step up from our\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eStage 2 kit\u003c\/b\u003e, we add a racing camshaft, a 22mm carburetor, and a billet rod. This kit produces 13-15+ HP.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e22mm Mikuni Style Carb Kit\u003c\/li\u003e\n\u003cli\u003eChoice of Cam\u003cspan\u003e \u003c\/span\u003e\u003ci\u003e(Rattlesnake or NR Racing's 252-0607)\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003e18lb or 26lb Springs\u003cspan\u003e \u003c\/span\u003e\u003ci\u003e(Depending on Cam Selection)\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003eAluminum Flywheel\u003c\/li\u003e\n\u003cli\u003eOffset Timing Key\u003c\/li\u003e\n\u003cli\u003eChrome Moly Pushrods\u003cspan\u003e \u003c\/span\u003e\u003ci\u003e(With 252 Cam Selection)\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003eBillet Rod (+.020\")\u003c\/li\u003e\n\u003cli\u003eAll Needed Gaskets\u003cspan\u003e \u003c\/span\u003e\u003ci\u003e(Head Gasket not Included)\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eOptional Header\/Exhaust\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003e--Camshaft Choices--\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e252 Cam Package Includes:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eCam, 26lb Springs, and Chrome Moly Pushrods.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eRattlesnake Cam Package Includes:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eCam and 18lb Springs ONLY.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e*Note:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eTo get maximum power, head should be ported and\/or milled.\u003c\/div\u003e\n\u003cdiv\u003eFilter should be sprayed with a K\u0026amp;N type oil, especially for dirt applications. Oil is not included \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis kit fits hemi Predators ONLY (Model 60363 [210FA] with the case aluminum valve cover). It will not work with non-hemi Predators (Model 69730 [R210] with the stamped steel valve cover).\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003ePictures are for reference only. See description above for actual content. Parts may differ from picture, depending on which options are selected.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ci\u003e\u003cspan\u003eWARNING: Optional header\/pipe should be supported with a bracket or brace either to the engine or the frame; otherwise, pipe may fracture or break.\u003c\/span\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"GoKarts USA®","offers":[{"title":"Rattlesnake Cam Package (212 Hemi)","offer_id":43110537101371,"sku":"NR-STAGE3HOPUP-PH","price":285.0,"currency_code":"USD","in_stock":true},{"title":"252-0607 Cam Package (212 Hemi)","offer_id":43110537134139,"sku":"NR-STAGE3HOPUP-PH","price":325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/STAGE3HOPUP-PH-2.png?v=1764893776"},{"product_id":"ready-to-go-420-hemi-race-head","title":"Ready-to-Go 420 Hemi Race Head","description":"\u003cstyle\u003e\n.footer-links { text-align: left; padding: 20px; margin: 30px 0; font-size: clamp(12px, 2.5vw, 16px); } .footer-links a { color: #000; text-decoration: none; font-weight: 700; margin: 0 10px; border-bottom: 2px solid #ffcc00; transition: all 0.3s; display: inline-block; } .footer-links a:hover { color: #ffcc00; }\n\u003c\/style\u003e\n\u003cdiv class=\"nonselectable\"\u003e\n\u003cdiv class=\"footer-links\"\u003e\n\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/parts-for-powersports\"\u003e\u003c\/a\u003e\u003ca title=\"Cylinder Heads\" href=\"https:\/\/gokartsusa.biz\/collections\/cylinder-head-kart-racing\"\u003eHead\u003c\/a\u003e | \u003ca title=\"Guide\" href=\"https:\/\/gokartsusa.biz\/pages\/head-selection-guide\"\u003eGuide\u003c\/a\u003e | \u003ca title=\"Racing Engine Parts\" href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\"\u003eHotrod\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eHeads are ported, bead blasted, flowed, and milled. Oversize stainless valves. Heads can be fitted with either single or dual springs. Single springs recommended for 280 and smaller cams. Dual for 306 and larger cams.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePorted and bead blasted\u003c\/li\u003e\n\u003cli\u003e40mm stainless intake and 34mm exhaust valves\u003c\/li\u003e\n\u003cli\u003eAluminum or titanium retainers\u003c\/li\u003e\n\u003cli\u003eSplit keepers\u003c\/li\u003e\n\u003cli\u003eHD single or dual springs\u003c\/li\u003e\n\u003cli\u003eValve spring shims\u003c\/li\u003e\n\u003cli\u003e3-angle valve job\u003c\/li\u003e\n\u003cli\u003eMilled to specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e*Note:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003eRocker arms not included. Heads are typically built to order - allow 1-5 days to ship. Due to valve size, valve face will extend beyond surface of head if head is milled.\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eValve-to-piston interference can be an issue with hemi heads and must be checked. Pistons may require notching.\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Single Springs with Aluminum Retainers \/ Do Not Mill","offer_id":43060127727675,"sku":"NR-HEAD-RACING-420HEMI","price":285.0,"currency_code":"USD","in_stock":true},{"title":"Single Springs with Aluminum Retainers \/ Mill Head .025\"","offer_id":43060127760443,"sku":"NR-HEAD-RACING-420HEMI","price":285.0,"currency_code":"USD","in_stock":true},{"title":"Single Springs with Aluminum Retainers \/ Mill Head .040\"","offer_id":43060127793211,"sku":"NR-HEAD-RACING-420HEMI","price":285.0,"currency_code":"USD","in_stock":true},{"title":"Dual Springs with Titanium Retainers [+$32] \/ Do Not Mill","offer_id":43060127825979,"sku":"NR-HEAD-RACING-420HEMI","price":317.0,"currency_code":"USD","in_stock":true},{"title":"Dual Springs with Titanium Retainers [+$32] \/ Mill Head .025\"","offer_id":43060127858747,"sku":"NR-HEAD-RACING-420HEMI","price":317.0,"currency_code":"USD","in_stock":true},{"title":"Dual Springs with Titanium Retainers [+$32] \/ Mill Head .040\"","offer_id":43060127891515,"sku":"NR-HEAD-RACING-420HEMI","price":317.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/HEAD-RACING-420HEMI-2.jpg?v=1764893777"},{"product_id":"speed-kit-212-predator-hemi-stage-2","title":"Speed Kit, 212 Predator Hemi, Stage 2","description":"\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/speed-kit-selection-guide\" title=\"Speed Kit Selection Guide\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Kit Selection Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eFor those looking to get maximum performance without opening up the case, we offer our Stage 2 kit.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis is the same as our\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eStage \u003c\/b\u003e\u003cb\u003e1 kit\u003c\/b\u003e, but with the addition of a bored carb and a performance cam to produce 12+ HP.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eIncludes\u003c\/b\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eRace\/Open Air Filter \u0026amp; Adapter\u003c\/li\u003e\n\u003cli\u003eChoke Bracket\u003c\/li\u003e\n\u003cli\u003e18 or 22lb Springs (Spring choice depends on availability)\u003c\/li\u003e\n\u003cli\u003eAluminum Flywheel\u003c\/li\u003e\n\u003cli\u003eTiming Key\u003c\/li\u003e\n\u003cli\u003eMod 2 Camshaft\u003c\/li\u003e\n\u003cli\u003eBored .650 Performance Carb (Gas)\u003c\/li\u003e\n\u003cli\u003eCarb Gasket\u003c\/li\u003e\n\u003cli\u003eValve Cover Gasket\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eOptional Header\/Exhaust\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cb\u003e*Note:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eThis kit fits the Hemi Predator engines (Model 60363 [210FA] that came with cast aluminum valve cover. This does not fit Non-Hemi Predator engines (Model 69730 [R210] that came with stamped steel valve cover).\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003ePictures are for reference only. See description for actual content. Parts may be different than pictures, depending on which motor and options are selected. (When selecting the billet flywheel, the small fan and offset key are not included nor are needed.)\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ci\u003eWARNING: Optional header\/pipe should be supported with a bracket\/brace to either the frame or the engine; otherwise, pipe may fracture or break.\u003c\/i\u003e\u003c\/div\u003e","brand":"GoKarts USA®","offers":[{"title":"No Exhaust","offer_id":43110534578235,"sku":"NR-STAGE2HOPUP-PH","price":230.0,"currency_code":"USD","in_stock":true},{"title":"Add Header- Kart","offer_id":43110534611003,"sku":"NR-STAGE2HOPUP-PH","price":265.0,"currency_code":"USD","in_stock":true},{"title":"Add Header- Mini Bike","offer_id":43110534643771,"sku":"NR-STAGE2HOPUP-PH","price":262.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/STAGE2HOPUP-PH-2.png?v=1764893778"},{"product_id":"head-cylinder-420-hemi-bare","title":"Head, Cylinder, 420 Hemi, Bare","description":"\u003cstyle\u003e\n.footer-links { text-align: left; padding: 20px; margin: 30px 0; font-size: clamp(12px, 2.5vw, 16px); } .footer-links a { color: #000; text-decoration: none; font-weight: 700; margin: 0 10px; border-bottom: 2px solid #ffcc00; transition: all 0.3s; display: inline-block; } .footer-links a:hover { color: #ffcc00; }\n\u003c\/style\u003e\n\u003cdiv class=\"nonselectable\"\u003e\n\u003cdiv class=\"footer-links\"\u003e\n\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/parts-for-powersports\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/cylinder-head-kart-racing\" title=\"Cylinder Heads\"\u003eHead\u003c\/a\u003e | \u003ca href=\"https:\/\/gokartsusa.biz\/pages\/head-selection-guide\" title=\"Guide\"\u003eGuide\u003c\/a\u003e | \u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Racing Engine Parts\"\u003eHotrod\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eHeads are finished, but do not include valves, studs, springs, guide plates, seals, etc. *Picture is for reference only.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060128186427,"sku":"NR-12210-420-HEMI","price":74.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/12210-420-HEMI-2.jpg?v=1764893778"},{"product_id":"gasket-valve-cover-212-predator-with-hemi-head","title":"Gasket, Valve Cover, 212 Predator with Hemi Head","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Parts\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX, Predator, Tillotson and Briggs Animal engines for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060136149051,"sku":"NR-18408","price":2.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/18408-2_6594d9dd-1061-45fb-abad-1a4c8aca7f4e.png?v=1764893815"},{"product_id":"gasket-valve-cover-420-hemi","title":"Gasket, Valve Cover, 420 Hemi","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/valves-springs\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eValves \u0026amp; Springs\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX120, GX160, GX200 and 6.5 Clones, for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060136968251,"sku":"NR-G420VCGASKET","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/G420VCGASKET-2_747eaf45-4f11-4056-9d05-cdb40343aa30.png?v=1764893815"},{"product_id":"gas-tank-212-predator-hemi","title":"Gas Tank, 212 Predator, Hemi","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Parts\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance parts for Honda GX, Predator, Tillotson and Briggs Animal engines for Go Kart and Mini Bike.\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060137427003,"sku":"NR-PREDGASTANKNEW","price":22.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/PREDGASTANKNEW-2_3331564c-dfdd-4eef-a846-93d0eddc11b8.png?v=1764893815"},{"product_id":"crankshaft-stroker-212-predator-060-hemi","title":"Crankshaft, Stroker, 212 Predator (+.060), Hemi","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/collections\/honda-gx-racing-parts\" title=\"Main Menu\" style=\"background-color: rgb(255, 255, 0);\"\u003eSpeed Parts\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060140376123,"sku":"NR-PREDSTROKERCRANK-HEMI","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/PREDSTROKERCRANK-HEMI-2.jpg?v=1764893818"},{"product_id":"billet-nr-racing-camshaft-for-gx200-6-5-ohv-and-212-predators-hemi-choose-grind","title":"BILLET NR Racing Camshaft for GX200, 6.5 OHV, and 212 Predators HEMI - CHOOSE GRIND","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003ca style=\"background-color: rgb(255, 255, 0);\" href=\"https:\/\/gokartsusa.biz\/collections\/camshafts-gx200-racing\"\u003eCams\u003c\/a\u003e\u003c\/span\u003e  \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe BILLET Camshaft for GX200, 6.5 OHV, and 212 Predators offers a range of grind options defined by both lift values (274, 307, 320, 356) and lobe separation angles (108°, 110°, 112°, 114°), each combination influencing engine performance in distinct ways.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e**\u003cstrong\u003eLift 274 Series\u003c\/strong\u003e**: With lower lift, these camshafts paired with tighter lobe separations (108°–110°) enhance low-end torque and improve throttle response by increasing valve overlap for better scavenging at lower RPMs. A wider lobe separation (112°–114°) in this lift range softens overlap, promoting smoother idle and slightly better fuel efficiency. - \u003c\/p\u003e\n\u003cp\u003e**\u003cstrong\u003eLift 307 Series\u003c\/strong\u003e**: Offering a moderate lift, these grinds with narrower lobe separation angles (108°–110°) provide a spirited mid-range power boost with increased valve overlap, favoring performance-oriented daily use. Wider angles (112°–114°) reduce overlap, improving drivability and stability at idle while maintaining respectable power. - \u003c\/p\u003e\n\u003cp\u003e**\u003cstrong\u003eLift 320 Series\u003c\/strong\u003e**: Higher lift cams paired with narrow lobe separation (108°–110°) optimize high-RPM power by intensifying valve overlap, enhancing cylinder filling and exhaust scavenging. Increasing the lobe separation to 112°–114° trades some peak power for smoother transitions and better low-end characteristics. - \u003c\/p\u003e\n\u003cp\u003e**\u003cstrong\u003eLift 356 Series\u003c\/strong\u003e**: The highest lift cams combined with tighter lobe separations provide maximum valve opening and aggressive overlap, making them ideal for peak horsepower and racing applications. Wider lobe separations reduce overlap and temper the aggressive nature, offering improved control and streetability while retaining strong top-end performance.\u003c\/p\u003e\n\u003cp\u003eSelecting the right combination of lift and lobe separation enables precise tailoring of valve timing dynamics—balancing power, torque, and engine smoothness—to meet specific performance goals in GX200, 6.5 OHV, and 212 Predator engines.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eMade from hardened tool steel. Cam gear is billet steel.\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eCamshaft timing (ICL) is adjustable in 2-degree increments from 100 to 112 (set at 106 when shipped). These cams do not have a compression release. They are available in several grinds.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eSelect from the following lobe designs:\u003c\/b\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e.274 Lift, 260 Duration at .050\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e.307 Lift, 260 Duration at .050\u003c\/li\u003e\n\u003cli\u003e.320 Lift, 260 Duration at .050\u003c\/li\u003e\n\u003cli\u003e.356 Lift, 260 Duration at .050\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e.320 Lift or less will have a base circle of .815\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLift larger than .320 will have a base circle of .760\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOnly fits GX200, true 6.5 OHVs, and hemi style Predators. Will not fit non-hemi (old-style) Predators.\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ci\u003e\u003cb\u003e*Note:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eBlock or crankshaft may require clearance to clear camshaft lobes.\u003cspan\u003e \u003c\/span\u003e\u003c\/i\u003e\u003ci\u003eAs these are a special order item, please allow 1 week before shipping.\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ci\u003eWarning: No returns on these cams. Please be sure to select the correct specifications when ordering.\u003c\/i\u003e\u003c\/div\u003e","brand":"GoKarts USA®","offers":[{"title":".274 Lift 260 Duration at .050 \/ 108'","offer_id":43060141523003,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".274 Lift 260 Duration at .050 \/ 110'","offer_id":43060141555771,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".274 Lift 260 Duration at .050 \/ 114'","offer_id":43060141588539,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".274 Lift 260 Duration at .050 \/ 112'","offer_id":43060141621307,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".307 Lift 260 Duration at .050 \/ 108'","offer_id":43060141654075,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".307 Lift 260 Duration at .050 \/ 110'","offer_id":43060141686843,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".307 Lift 260 Duration at .050 \/ 114'","offer_id":43060141719611,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".307 Lift 260 Duration at .050 \/ 112'","offer_id":43060141752379,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".320 Lift 260 Duration at .050 \/ 108'","offer_id":43060141785147,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".320 Lift 260 Duration at .050 \/ 110'","offer_id":43060141817915,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".320 Lift 260 Duration at .050 \/ 114'","offer_id":43060141850683,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".320 Lift 260 Duration at .050 \/ 112'","offer_id":43060141883451,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".356 Lift 260 Duration at .050 \/ 108'","offer_id":43060141916219,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".356 Lift 260 Duration at .050 \/ 110'","offer_id":43060141948987,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".356 Lift 260 Duration at .050 \/ 114'","offer_id":43060141981755,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true},{"title":".356 Lift 260 Duration at .050 \/ 112'","offer_id":43060142014523,"sku":"NR-200BILLETCAM","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/200BILLETCAM-2.jpg?v=1764893822"},{"product_id":"6602-ph-arc-flywheel-billet-super-light-predator-212-hemi","title":"6602-PH ARC Flywheel, Billet, Super Light, Predator 212, Hemi","description":"\u003cstyle\u003e .footer-links { text-align: left; padding: 20px; margin: 30px 0; font-size: clamp(12px, 2.5vw, 16px); } .footer-links a { color: #000; text-decoration: none; font-weight: 700; margin: 0 10px; border-bottom: 2px solid #ffcc00; transition: all 0.3s; display: inline-block; } .footer-links a:hover { color: #ffcc00; }\n\u003c\/style\u003e\n\u003cdiv class=\"footer-links\"\u003e\n\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/parts-for-powersports\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/parts-for-powersports\" title=\"Main Parts\"\u003eParts\u003c\/a\u003e | \u003ca href=\"https:\/\/gokartsusa.biz\/collections\/gokart-minibike-parts\" title=\"Go Kart \u0026amp; Minibike Parts\"\u003eStock\u003c\/a\u003e | \u003ca href=\"https:\/\/gokartsusa.biz\/collections\/go-kart-speed-parts\" title=\"Race Engine Parts\"\u003eHotrod\u003c\/a\u003e | \u003ca href=\"https:\/\/gokartsusa.biz\/collections\/billet-flywheels\" title=\"Billet Flywheels\"\u003eFlywheel\u003c\/a\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/parts-for-powersports\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eFits Hemi Predator 212\u003c\/li\u003e\n\u003cli\u003eWill not fit non-hemi. (use 6602-P).\u003c\/li\u003e\n\u003cli\u003e1.75lb\u003c\/li\u003e\n\u003cli\u003eStock diameter\u003c\/li\u003e\n\u003cli\u003eLightest flywheel available\u003c\/li\u003e\n\u003cli\u003eTiming set at 32 BTDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/gokartsusa.biz\/pages\/billet-flywheel-selection-guide-gx200\" title=\"Flywheel Selection Guide\"\u003eFlywheel Selection Guide\u003c\/a\u003e\u003cspan\u003e\u0026gt;\u003c\/span\u003e\u003c\/p\u003e","brand":"GoKarts USA®","offers":[{"title":"Default Title","offer_id":43060142997563,"sku":"ARC-6602-PH","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/6602-P3__50481.1411511396.1280.1280__18780.1757061083.jpg?v=1764893825"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/collections\/ENG-OEM-PR-HEMI-2.jpg?v=1765577797","url":"https:\/\/gtcracing.com\/collections\/predator-hemi-race-parts.oembed?page=2","provider":"GTC Racing","version":"1.0","type":"link"}