{"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","url":"https:\/\/gtcracing.com\/products\/billet-nr-racing-camshaft-for-gx200-6-5-ohv-and-212-predators-hemi-choose-grind","provider":"GTC Racing","version":"1.0","type":"link"}