{"product_id":"comp-cams-camshaft-gm-ls-gen-iii-iv-54-602-11","title":"Comp Cams Big Mutha' Thumpr Hydraulic Roller Cam for GM LS – 54-602-11","description":"\u003cp\u003eComp Cams Part Number 54-602-11 is a Big Mutha' Thumpr hydraulic roller camshaft designed for GM LS Gen III\/IV 8-cylinder engines (1997–2015) with a 3-bolt cam gear setup. Built for street\/strip performance, this camshaft delivers the signature Thumpr aggressive idle while supporting strong mid-to-high RPM power.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-start=\"739\" data-end=\"762\"\u003e\u003cstrong data-start=\"742\" data-end=\"762\"\u003eProduct Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"763\" data-end=\"1058\"\u003e\n\u003cli data-start=\"763\" data-end=\"850\"\u003e\n\u003cp data-start=\"765\" data-end=\"850\"\u003eBig Mutha' Thumpr series for an aggressive idle and strong street\/strip performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"851\" data-end=\"878\"\u003e\n\u003cp data-start=\"853\" data-end=\"878\"\u003eHydraulic roller design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"879\" data-end=\"909\"\u003e\n\u003cp data-start=\"881\" data-end=\"909\"\u003e3-bolt cam gear attachment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"910\" data-end=\"968\"\u003e\n\u003cp data-start=\"912\" data-end=\"968\"\u003eDesigned for GM LS Gen III\/IV applications (1997–2015)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"969\" data-end=\"1018\"\u003e\n\u003cp data-start=\"971\" data-end=\"1018\"\u003eOptimized for 2,600–6,800 RPM operating range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1019\" data-end=\"1058\"\u003e\n\u003cp data-start=\"1021\" data-end=\"1058\"\u003eWorks with hydraulic roller lifters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\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\u003eGM LS Gen III\/IV 8-Cylinder (1997–2015)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRPM Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,600–6,800\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\u003e0.573 \/ 0.558\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLobe Lift (Int\/Exh)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.338 \/ 0.329\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\u003e109°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Centerline\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e103°\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\u003eIntake Open (BTDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e41°\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\u003e70°\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\u003e85°\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\u003e46°\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\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\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\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\u003e036584195184\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=\"2026\" data-end=\"2040\"\u003e\u003cstrong data-start=\"2029\" data-end=\"2040\"\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2041\" data-end=\"2172\"\u003e\n\u003cli data-start=\"2041\" data-end=\"2057\"\u003e\n\u003cp data-start=\"2043\" data-end=\"2057\"\u003e\u003cstrong data-start=\"2043\" data-end=\"2052\"\u003eMake:\u003c\/strong\u003e GM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2058\" data-end=\"2105\"\u003e\n\u003cp data-start=\"2060\" data-end=\"2105\"\u003e\u003cstrong data-start=\"2060\" data-end=\"2078\"\u003eEngine Family:\u003c\/strong\u003e LS Gen III\/IV 8-cylinder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2106\" data-end=\"2136\"\u003e\n\u003cp data-start=\"2108\" data-end=\"2136\"\u003e\u003cstrong data-start=\"2108\" data-end=\"2124\"\u003eModel Years:\u003c\/strong\u003e 1997–2015\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2137\" data-end=\"2172\"\u003e\n\u003cp data-start=\"2139\" data-end=\"2172\"\u003e\u003cstrong data-start=\"2139\" data-end=\"2158\"\u003eCam Gear Style:\u003c\/strong\u003e 3-bolt only\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47281781899432,"sku":"CCA54-602-11","price":404.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/54-602-11.jpg?v=1763495049","url":"https:\/\/eliteracefab.com\/products\/comp-cams-camshaft-gm-ls-gen-iii-iv-54-602-11","provider":"eliteracefab.com","version":"1.0","type":"link"}