{"product_id":"comp-cams-camshaft-cs-287t-h-107-mt-thu","title":"Comp Cams Mutha' Thumpr 235\/249 Hydraulic Flat Cam for Chevrolet Small Block - 12-601-4","description":"Comp Cams Mutha' Thumpr 235\/249 Hydraulic Flat Cam for Chevrolet Small Block - 12-601-4\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eHigh performance street\/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.\u003cbr\u003eMutha' Thumpr 235\/249 Hydraulic Flat Cam for Chevrolet Small Block\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePRODUCT NOTES:\u003c\/b\u003e\u003cbr\u003eCamshaft Series - Thumpr \u003cbr\u003eUsage - Street\/Strip \u003cbr\u003eCam Type - Hydraulic Flat Tappet \u003cbr\u003eGrind Number - 287TH7 \u003cbr\u003eBasic Operating RPM Range - 2,200-6,100 R3\u003cbr\u003eIntake Duration at .050 Inch Lift - 235 DD\u003cbr\u003eExhaust Duration at .050 inch Lift - 249 DD\u003cbr\u003eAdvertised Intake Duration - 287 DD\u003cbr\u003eAdvertised Exhaust Duration - 305 DD\u003cbr\u003eLobe Separation - 107 DD\u003cbr\u003eIntake Valve Lift - 0.489 IN\u003cbr\u003eExhaust Valve Lift - 0.476 IN\u003cbr\u003eLifters Included - No \u003cbr\u003eValve Springs Required - Yes \u003cbr\u003eAssembly Lubricant Included - Yes \u003cbr\u003eCamshaft Gear Attachment - 3-Bolt \u003cbr\u003eCamshaft Material - Cast Iron \u003cbr\u003eEngine Family - Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) \u003cbr\u003eCam, Lifter and Gear Drive Upgrade - GK12-601-4 \u003cbr\u003eCam and Lifter Kit Upgrade - CL12-601-4 \u003cbr\u003eCalifornia Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov \u003cbr\u003eK-Kit Upgrade - K12-601-4 \u003cbr\u003eLifter Type - Hydraulic Flat Tappet \u003cbr\u003eTitle - Mutha' Thumpr 235\/249 Hydraulic Flat Cam for Chevrolet Small Block \u003cbr\u003eAmazon ASIN - B002EE69M8 \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":47909536563458,"sku":"CCA12-601-4","price":309.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/12-601-4.jpg?v=1784975769","url":"https:\/\/www.lethalperformance.com\/products\/comp-cams-camshaft-cs-287t-h-107-mt-thu","provider":"Lethal Performance","version":"1.0","type":"link"}