{"product_id":"speed-kit-for-kart-engines-gx240-gx270-stage-2","title":"Speed Kit for Kart Engines, GX240, GX270, Stage 2","description":"\u003cdiv\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\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eAs a step up from the \u003c\/span\u003e\u003cb\u003eStage \u003c\/b\u003e\u003cb\u003e1\u003ca href=\"https:\/\/www.nrracing.com\/product-p\/stage1kit270.htm\"\u003e\u003c\/a\u003e\u003c\/b\u003e\u003cspan\u003e, this kit is designed to further improve the power of GX240s and GX270s by adding a larger carb and cam.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan\u003eRace\/Open Air Filter \u0026amp; Adapter\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGX390 Carb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eHeavy Duty Valve Springs\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\u003cspan\u003e102 Main Jet\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e260 Lift High-Performance Cam\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCarb and Side Cover Gaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eOptional Ignition Coil\u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eOptional Billet Connecting Rod\u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eOptional Header\/Exhaust\u003c\/span\u003e\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e*Note:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eUse of the choke bracket requires use of a stock Honda (or Chines OHV) \"Air Filter-to-Carb\" gasket. This is not included in the kit. You can use the one that came with the motor.\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUT2 series Hondas (2012 \u0026amp; up) or later have a built-in rev limiter in the coil and will require a new coil to exceed 4000rpm. The UT2 coils (4 wire) can only be used with stock flywheels. \u003c\/span\u003e\u003cspan\u003eIf using a billet flywheel, you must run a UT1 style coil (single wire). \u003c\/span\u003e\u003cspan\u003eChinese engines usually have UT1 style coils already. However, some Lifans and 420s have a digital ignition and will need a Honda UT1 coil to run the billet flywheel.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFilter should be sprayed with a K\u0026amp;N type oil, especially for dirt applications. Oil not included. \u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003ePicture is for reference only and may show optional parts. See above description for actual content. Header not included unless specified.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eWarning: Billet aluminum flywheel recommended. Stock flywheels, especially \"clones\", are prone to failure and are very dangerous!\u003cbr\u003e\u003cbr\u003e\u003c\/b\u003eIf ordering a 301, be aware that some engines have large cam journals (.6357); most 301s have standard cam journals (same as GX270s). If you have a 301, we recommend you measure your cam journals before ordering this. \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003eThis kit will not fit engines with large journals!\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"GoKarts USA®","offers":[{"title":"No Coil \/ No Rod \/ No Exhaust","offer_id":43110532644923,"sku":"sku-52593218650428","price":170.0,"currency_code":"USD","in_stock":true},{"title":"No Coil \/ No Rod \/ Add Header- Kart \u0026 Mini Bike","offer_id":43110532677691,"sku":"sku-52593218683196","price":210.0,"currency_code":"USD","in_stock":true},{"title":"No Coil \/ No Rod \/ Add Mud Motor Header \u0026 Muffler (GX390)","offer_id":43110532710459,"sku":"sku-52593218715964","price":215.0,"currency_code":"USD","in_stock":true},{"title":"No Coil \/ Add Billet Connecting Rod \/ No Exhaust","offer_id":43110532743227,"sku":"NR-STAGE2KIT270","price":241.0,"currency_code":"USD","in_stock":true},{"title":"No Coil \/ Add Billet Connecting Rod \/ Add Header- Kart \u0026 Mini Bike","offer_id":43110532775995,"sku":"NR-STAGE2KIT270","price":282.0,"currency_code":"USD","in_stock":true},{"title":"No Coil \/ Add Billet Connecting Rod \/ Add Mud Motor Header \u0026 Muffler (GX390)","offer_id":43110532808763,"sku":"NR-STAGE2KIT270","price":287.0,"currency_code":"USD","in_stock":true},{"title":"Add UT2 Coil without Rev Limiter for UT2 Honda \/ No Rod \/ No Exhaust","offer_id":43110532841531,"sku":"sku-52593218748732","price":240.0,"currency_code":"USD","in_stock":true},{"title":"Add UT2 Coil without Rev Limiter for UT2 Honda \/ No Rod \/ Add Header- Kart \u0026 Mini Bike","offer_id":43110532874299,"sku":"sku-52593218781500","price":282.0,"currency_code":"USD","in_stock":true},{"title":"Add UT2 Coil without Rev Limiter for UT2 Honda \/ No Rod \/ Add Mud Motor Header \u0026 Muffler (GX390)","offer_id":43110532907067,"sku":"sku-52593218814268","price":287.0,"currency_code":"USD","in_stock":true},{"title":"Add UT2 Coil without Rev Limiter for UT2 Honda \/ Add Billet Connecting Rod \/ No Exhaust","offer_id":43110532939835,"sku":"NR-STAGE2KIT270","price":401.0,"currency_code":"USD","in_stock":true},{"title":"Add UT2 Coil without Rev Limiter for UT2 Honda \/ Add Billet Connecting Rod \/ Add Header- Kart \u0026 Mini Bike","offer_id":43110532972603,"sku":"NR-STAGE2KIT270","price":441.0,"currency_code":"USD","in_stock":true},{"title":"Add UT2 Coil without Rev Limiter for UT2 Honda \/ Add Billet Connecting Rod \/ Add Mud Motor Header \u0026 Muffler (GX390)","offer_id":43110533005371,"sku":"NR-STAGE2KIT270","price":375.0,"currency_code":"USD","in_stock":true},{"title":"Add Genuine Honda UT1 Coil \/ No Rod \/ No Exhaust","offer_id":43110533038139,"sku":"sku-52593218847036","price":214.0,"currency_code":"USD","in_stock":true},{"title":"Add Genuine Honda UT1 Coil \/ No Rod \/ Add Header- Kart \u0026 Mini Bike","offer_id":43110533070907,"sku":"sku-52593218879804","price":370.0,"currency_code":"USD","in_stock":true},{"title":"Add Genuine Honda UT1 Coil \/ No Rod \/ Add Mud Motor Header \u0026 Muffler (GX390)","offer_id":43110533103675,"sku":"sku-52593218912572","price":375.0,"currency_code":"USD","in_stock":true},{"title":"Add Genuine Honda UT1 Coil \/ Add Billet Connecting Rod \/ No Exhaust","offer_id":43110533136443,"sku":"NR-STAGE2KIT270","price":375.0,"currency_code":"USD","in_stock":true},{"title":"Add Genuine Honda UT1 Coil \/ Add Billet Connecting Rod \/ Add Header- Kart \u0026 Mini Bike","offer_id":43110533169211,"sku":"NR-STAGE2KIT270","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Add Genuine Honda UT1 Coil \/ Add Billet Connecting Rod \/ Add Mud Motor Header \u0026 Muffler (GX390)","offer_id":43110533201979,"sku":"NR-STAGE2KIT270","price":420.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5159\/8139\/files\/STAGE2KIT270-2.png?v=1764893745","url":"https:\/\/gtcracing.com\/products\/speed-kit-for-kart-engines-gx240-gx270-stage-2","provider":"GTC Racing","version":"1.0","type":"link"}