{"product_id":"comp-cams-camshaft-ls1-301lrr-hr-115","title":"Comp Cams LSR Rectangular Port 251\/267 Hydraulic Roller Cam for GM LS GEN III\/IV - 54-474-11","description":"Comp Cams LSR Rectangular Port 251\/267 Hydraulic Roller Cam for GM LS GEN III\/IV - 54-474-11\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e420+c.i., high compression, high RPM, rectangular CNC-ported heads in race type applications.\u003cbr\u003eLSR Rectangular Port 251\/267 Hydraulic Roller Cam for GM LS GEN III\/IV\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePRODUCT NOTES:\u003c\/b\u003e\u003cbr\u003eCamshaft Series - LSR Rectangular Port Large Displacement \u003cbr\u003eCam Type - Hydraulic Roller \u003cbr\u003eGrind Number - 301LRR HR15 \u003cbr\u003eBasic Operating RPM Range - 2,600-7,000 R3\u003cbr\u003eIntake Duration at .050 Inch Lift - 251 DD\u003cbr\u003eExhaust Duration at .050 inch Lift - 267 DD\u003cbr\u003eAdvertised Intake Duration - 301 DD\u003cbr\u003eAdvertised Exhaust Duration - 317 DD\u003cbr\u003eLobe Separation - 115 DD\u003cbr\u003eIntake Valve Lift - 0.624 IN\u003cbr\u003eExhaust Valve Lift - 0.624 IN\u003cbr\u003eLifters Included - No \u003cbr\u003eValve Springs Required - Yes \u003cbr\u003eAssembly Lubricant Included - No \u003cbr\u003eCamshaft Gear Attachment - 3-Bolt \u003cbr\u003eCamshaft Material - Billet Steel \u003cbr\u003eEngine Family - GM LS GEN III\/IV 3-Bolt 8 Cylinder (1997-2015) \u003cbr\u003eCalifornia Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov \u003cbr\u003eLifter Type - Hydraulic Roller \u003cbr\u003eTitle - LSR Rectangular Port 251\/267 Hydraulic Roller Cam for GM LS GEN III\/IV \u003cbr\u003eAmazon ASIN - B001P24PNA \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":47909918310658,"sku":"CCA54-474-11","price":541.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/54-3-BoltLSMSEFront_25.jpg?v=1784976025","url":"https:\/\/www.lethalperformance.com\/products\/comp-cams-camshaft-ls1-301lrr-hr-115","provider":"Lethal Performance","version":"1.0","type":"link"}