{"product_id":"comp-cams-stage-2-thumpr-226-237-master-camshaft-kit-gen3-ls-4-8-5-3-6-0l","title":"Comp Cams Stage 2 Thumpr Master Cam Kit for GEN III LS 4.8\/5.3\/6.0L Trucks - MK54-702-11","description":"Comp Cams Stage 2 Thumpr Master Cam Kit for GEN III LS 4.8\/5.3\/6.0L Trucks - MK54-702-11\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThe Stage 2 Thumpr Master Cam Kit for LS GEN III 5.3-6.0L provides an awesome idle lope in modified 5.3L \u0026amp; 6.0L trucks. Includes lifters, timing set, pushrods, LS6+ springs, retainers, locks, spring seats and valve seals.\u003cbr\u003eStage 2 Thumpr Master Cam Kit for GEN III LS 4.8\/5.3\/6.0L Trucks\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePRODUCT NOTES:\u003c\/b\u003e\u003cbr\u003eKit Type - MK-Kit \u003cbr\u003eCamshaft Series - Thumpr NSR (No Springs Required) \u003cbr\u003eUsage - Street \/ Performance \u003cbr\u003eCam Type - Hydraulic Roller \u003cbr\u003eBasic Operating RPM Range - 1,800-6,600 R3\u003cbr\u003eIntake Duration at .050 Inch Lift - 226 DD\u003cbr\u003eExhaust Duration at .050 inch Lift - 237 DD\u003cbr\u003eAdvertised Intake Duration - 280 DD\u003cbr\u003eAdvertised Exhaust Duration - 299 DD\u003cbr\u003eLobe Separation - 113 DD\u003cbr\u003eIntake Valve Lift - 0.663 IN\u003cbr\u003eExhaust Valve Lift - 0.638 IN\u003cbr\u003eLifters Included - Yes \u003cbr\u003eValve Springs Included - Yes \u003cbr\u003eAssembly Lubricant Included - No \u003cbr\u003eCamshaft Gear Attachment - 3-Bolt \u003cbr\u003eCamshaft Material - Billet Steel \u003cbr\u003eLifter Type - Hydraulic Roller \u003cbr\u003eRetainers Included - Yes \u003cbr\u003eLocks Included - Yes \u003cbr\u003ePushrods Included - Yes \u003cbr\u003eGaskets Included - No \u003cbr\u003eEngine Family - GM LS GEN III\/IV 3-Bolt 8 Cylinder (1997-2015) \u003cbr\u003eCalifornia Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov \u003cbr\u003eTitle - Stage 2 Thumpr Master Cam Kit for GEN III LS 4.8\/5.3\/6.0L Trucks \u003cbr\u003eStage - 2 \u003cbr\u003eTiming Set Included - Yes \u003cbr\u003eValve Seals Included - Yes \u003cbr\u003eValve Spring Seats Included - Yes \u003cbr\u003eGrind Number - 280LTH13 \u003cbr\u003eEstimated Horsepower Gain with Kit - 81 HJ\u003cbr\u003eRecommended Upgraded Stock Rocker Arms - 1477-16 \u003cbr\u003eRecommended Max-Lift BSR Shaft Rocker System - 1981-16 \u003cbr\u003eRecommended Cam Install Kit - 5621 \u003cbr\u003eAmazon ASIN - B07MJH8WVG \u003cbr\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles? - Yes, but must be a race\/competition only vehicle. \u003cbr\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? - Yes, but must meet tailpipe emission standards for year of vehicle. \u003cbr\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? - Yes, but must meet tailpipe emission standards for year of vehicle. \u003cbr\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? - Yes, but must meet tailpipe emission standards for year of vehicle. \u003cbr\u003eC.A.R.B. Exempt for On-Road Vehicles? - No \u003cbr\u003eC.A.R.B. Exemption Reason - N\/A \u003cbr\u003eC.A.R.B. E.O. Number - N\/A\u003cbr\u003e\u003cbr\u003eLethal Performance is proud to offer the entire line of Comp Cams products!\u003cbr\u003e\u003cbr\u003eFor more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.\u003cbr\u003e\u003cbr\u003e\nWith COMP Cams®, there is no compromise - you're in first place.","brand":"Comp Cams","offers":[{"title":"Default Title","offer_id":47078421561602,"sku":"CCAMK54-702-11","price":1353.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/MK54-700-11_2.jpg?v=1784942021","url":"https:\/\/www.lethalperformance.com\/products\/comp-cams-stage-2-thumpr-226-237-master-camshaft-kit-gen3-ls-4-8-5-3-6-0l","provider":"Lethal Performance","version":"1.0","type":"link"}