{"product_id":"comp-cams-08-601-8","title":"COMP Cams 08-601-8 Mutha' Thumpr 235\/249 Hydraulic Roller Cam for OE Roller SBC","description":"\u003cp\u003e\u003cem\u003eHigh performance street\/strip, needs 9:1 compression, 2500+ stall,  intake, gears and headers, rough idle.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain always puts the engine in its powerband. Additionally, Thumpr camshafts typically deliver reduced vacuum at idle, making a vacuum canister, pump or hydroboost a requirement for vehicles running power brakes.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCamshaft Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThumpr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUsage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStreet\/Strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCam Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHydraulic Roller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrind Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e291THR7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBasic Operating RPM Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,900-5,600 R3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Duration at .050 Inch Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e235 DD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Duration at .050 inch Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e249 DD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdvertised Intake Duration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e291 DD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdvertised Exhaust Duration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e311 DD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLobe Separation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e107 DD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Valve Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.522 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Valve Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.509 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLifters Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Springs Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Lubricant Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCamshaft Gear Attachment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCamshaft Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAustempered Ductile Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCam, Lifter and Gear Drive Upgrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGK08-601-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCam and Lifter Kit Upgrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCL08-601-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eK-Kit Upgrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK08-601-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLifter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHydraulic Roller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrind Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e291THR7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003chr\u003e\u003cp class=\"prop65-warning\"\u003e\u003cstrong\u003e⚠️ California Proposition 65 Warning\u003c\/strong\u003e\u003cbr\u003eCalifornia Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.\u003c\/p\u003e\n\u003cp class=\"warranty\"\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":45943901913132,"sku":"08-601-8","price":577.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/6007\/6332\/files\/08-601-8.jpg?v=1786324822","url":"https:\/\/carpartglobal.com\/products\/comp-cams-08-601-8","provider":"Car Part Global","version":"1.0","type":"link"}