{"product_id":"comp-cams-camshaft-gm-ls-cathedral-port-54-456-11","title":"Comp Cams LSR Cathedral Port Hydraulic Roller Camshaft - 54-456-11","description":"\u003cp\u003e\u003cstrong data-end=\"417\" data-start=\"382\"\u003eComp Cams Part Number 54-456-11\u003c\/strong\u003e is an LSR Cathedral Port 219\/227 hydraulic roller camshaft engineered for \u003cstrong data-end=\"539\" data-start=\"492\"\u003eGM LS Gen III\/IV 3-bolt engines (1997–2015)\u003c\/strong\u003e. Designed for small-displacement LS applications seeking maximum torque, this cam delivers excellent low-end and midrange power with a broad, street-friendly power band. Perfect for street performance builds requiring strong drivability and enhanced overall efficiency.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-end=\"839\" data-start=\"816\"\u003e\u003cstrong data-end=\"839\" data-start=\"819\"\u003eProduct Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1172\" data-start=\"840\"\u003e\n\u003cli data-end=\"901\" data-start=\"840\"\u003e\n\u003cp data-end=\"901\" data-start=\"842\"\u003eLSR Cathedral Port Small Displacement \/ Max Torque series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"958\" data-start=\"902\"\u003e\n\u003cp data-end=\"958\" data-start=\"904\"\u003eExcellent torque output with broad usable power band\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1001\" data-start=\"959\"\u003e\n\u003cp data-end=\"1001\" data-start=\"961\"\u003eDesigned for cathedral-port LS engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1077\" data-start=\"1002\"\u003e\n\u003cp data-end=\"1077\" data-start=\"1004\"\u003eStreet-friendly drivability with performance gains throughout RPM range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1136\" data-start=\"1078\"\u003e\n\u003cp data-end=\"1136\" data-start=\"1080\"\u003eHigh-lift design enhances airflow and cylinder filling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1172\" data-start=\"1137\"\u003e\n\u003cp data-end=\"1172\" data-start=\"1139\"\u003e3-bolt camshaft gear attachment\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\u003eLSR Cathedral Port Small Displacement \/ Max Torque\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 (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\u003e1,500–6,700\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\u003e269 \/ 277\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\u003e219 \/ 227\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\u003e0.607 \/ 0.614\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\u003e0.357 \/ 0.361\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\u003e112°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Centerline\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e107°\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\u003e26°\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\u003e62°\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\u003e74°\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\u003e22°\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\u003e036584195207\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\u003eMake\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM\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-end=\"2211\" data-start=\"2197\"\u003e\u003cstrong data-end=\"2211\" data-start=\"2200\"\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2355\" data-start=\"2212\"\u003e\n\u003cli data-end=\"2228\" data-start=\"2212\"\u003e\n\u003cp data-end=\"2228\" data-start=\"2214\"\u003e\u003cstrong data-end=\"2223\" data-start=\"2214\"\u003eMake:\u003c\/strong\u003e GM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2293\" data-start=\"2229\"\u003e\n\u003cp data-end=\"2293\" data-start=\"2231\"\u003e\u003cstrong data-end=\"2249\" data-start=\"2231\"\u003eEngine Family:\u003c\/strong\u003e LS Gen III \/ IV with cathedral-port heads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2324\" data-start=\"2294\"\u003e\n\u003cp data-end=\"2324\" data-start=\"2296\"\u003e\u003cstrong data-end=\"2312\" data-start=\"2296\"\u003eModel Years:\u003c\/strong\u003e 1997–2015\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2355\" data-start=\"2325\"\u003e\n\u003cp data-end=\"2355\" data-start=\"2327\"\u003e\u003cstrong data-end=\"2346\" data-start=\"2327\"\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":47281689329832,"sku":"CCA54-456-11","price":404.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/54-456-11.jpg?v=1763588340","url":"https:\/\/eliteracefab.com\/products\/comp-cams-camshaft-gm-ls-cathedral-port-54-456-11","provider":"eliteracefab.com","version":"1.0","type":"link"}