{"product_id":"comp-cams-camshaft-chevrolet-big-block-11-601-8","title":"Comp Cams Mutha' Thumpr Hydraulic Roller Camshaft - 11-601-8","description":"\u003cp data-start=\"371\" data-end=\"746\"\u003e\u003cstrong data-start=\"371\" data-end=\"405\"\u003eComp Cams Part Number 11-601-8\u003c\/strong\u003e is a Mutha' Thumpr 235\/249 hydraulic roller camshaft designed for \u003cstrong data-start=\"472\" data-end=\"523\"\u003eChevrolet Big Block 396–454 engines (1967–1996)\u003c\/strong\u003e. Known for its aggressive idle and strong torque curve, this camshaft provides the signature Thumpr sound while delivering excellent mid-range performance. Ideal for street\/ performance builds seeking both sound and power.\u003c\/p\u003e\n\u003cp data-start=\"371\" data-end=\"746\"\u003e \u003c\/p\u003e\n\u003ch2 data-start=\"753\" data-end=\"776\"\u003e\u003cstrong data-start=\"756\" data-end=\"776\"\u003eProduct Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"777\" data-end=\"1047\"\u003e\n\u003cli data-start=\"777\" data-end=\"827\"\u003e\n\u003cp data-start=\"779\" data-end=\"827\"\u003eMutha' Thumpr series hydraulic roller camshaft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"828\" data-end=\"886\"\u003e\n\u003cp data-start=\"830\" data-end=\"886\"\u003eAggressive, choppy idle with strong street performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"887\" data-end=\"939\"\u003e\n\u003cp data-start=\"889\" data-end=\"939\"\u003eDesigned for big block Chevrolet 396–454 engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"940\" data-end=\"981\"\u003e\n\u003cp data-start=\"942\" data-end=\"981\"\u003eBroad 2,200–5,800 RPM operating range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"982\" data-end=\"1017\"\u003e\n\u003cp data-start=\"984\" data-end=\"1017\"\u003e3-bolt camshaft gear attachment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1018\" data-end=\"1047\"\u003e\n\u003cp data-start=\"1020\" data-end=\"1047\"\u003eExcellent midrange torque\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCamshaft 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\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThumpr\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 396–454 c.i. (1967–1996)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRPM Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,200–5,800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdvertised Duration (Int\/Exh)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e291 \/ 311\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuration @ .050\" (Int\/Exh)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e235 \/ 249\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Lift (Int\/Exh)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.558 \/ 0.542\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLobe Separation Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e107°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Centerline\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Open (BTDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Close (ABDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e69°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Open (BBDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e82°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Close (ATDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e49°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Timing @ .006\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGear 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\u003eUsage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStreet\/Performance\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\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e036584150909\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmissions Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalifornia Proposition 65\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCancer and Reproductive Harm (P65Warnings.ca.gov)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-start=\"1972\" data-end=\"1986\"\u003e\u003cstrong data-start=\"1975\" data-end=\"1986\"\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1987\" data-end=\"2135\"\u003e\n\u003cli data-start=\"1987\" data-end=\"2010\"\u003e\n\u003cp data-start=\"1989\" data-end=\"2010\"\u003e\u003cstrong data-start=\"1989\" data-end=\"1998\"\u003eMake:\u003c\/strong\u003e Chevrolet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2011\" data-end=\"2073\"\u003e\n\u003cp data-start=\"2013\" data-end=\"2073\"\u003e\u003cstrong data-start=\"2013\" data-end=\"2031\"\u003eEngine Family:\u003c\/strong\u003e 396 \/ 402 \/ 427 \/ 454 c.i. Big Block V8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2074\" data-end=\"2104\"\u003e\n\u003cp data-start=\"2076\" data-end=\"2104\"\u003e\u003cstrong data-start=\"2076\" data-end=\"2092\"\u003eModel Years:\u003c\/strong\u003e 1967–1996\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2105\" data-end=\"2135\"\u003e\n\u003cp data-start=\"2107\" data-end=\"2135\"\u003e\u003cstrong data-start=\"2107\" data-end=\"2126\"\u003eCam Gear Style:\u003c\/strong\u003e 3-bolt\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47277996015784,"sku":"CCA11-601-8","price":549.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/11-601-8.jpg?v=1763507650","url":"https:\/\/eliteracefab.com\/products\/comp-cams-camshaft-chevrolet-big-block-11-601-8","provider":"eliteracefab.com","version":"1.0","type":"link"}