{"product_id":"comp-cams-cs-xr270hr-12-cam-kit","title":"Comp Cams CS XR270HR-12 Cam\u0026 Kit","description":"\u003cp\u003eCS XR270HR-12 Cam\u0026amp; Kit by COMP Cams. Check the part number and details below against what you are replacing. The camshaft sets when each valve opens and how far. Its profile shapes how the engine makes power.\u003c\/p\u003e\u003ch3\u003eQuick facts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e COMP Cams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Camshaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifter Type:\u003c\/strong\u003e Retro-Fit Hydraulic Roller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Chevrolet 262-400 c.i. 8 cyl. 1958-1998\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRPM Range:\u003c\/strong\u003e 1500 to 5500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Timing:\u003c\/strong\u003e 0.006\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLobe Separation:\u003c\/strong\u003e 112°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Centerline:\u003c\/strong\u003e 110°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Lash:\u003c\/strong\u003e Hyd. (Intake)\/ Hyd. (Exhaust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuration:\u003c\/strong\u003e 270 (Intake)\/276 (Exhaust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Lift:\u003c\/strong\u003e 0.495(Intake)\/0.503 (Exhaust)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLobe Lift:\u003c\/strong\u003e 0.33(Intake)\/0.335(Exhaust)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eListed fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1995 - 1996 AM General Hummer Base\u003c\/li\u003e\n\u003cli\u003e1980 - 1991 Avanti II Base\u003c\/li\u003e\n\u003cli\u003e1985 Avanti II GT\u003c\/li\u003e\n\u003cli\u003e1980 Buick Century Base, Estate, Sport, Limited\u003c\/li\u003e\n\u003cli\u003e1991 - 1996 Buick Commercial Chassis Base\u003c\/li\u003e\n\u003cli\u003e1980 Buick Regal Limited, Sport, Base\u003c\/li\u003e\n\u003cli\u003e1991 - 1995 Buick Roadmaster Estate Wagon\u003c\/li\u003e\n\u003cli\u003e1996 Buick Roadmaster Estate Wagon Collector's Edition, Collector's Edition, Limited Collector's Edition\u003c\/li\u003e\n\u003cli\u003e1992 - 1995 Buick Roadmaster Limited, Base\u003c\/li\u003e\n\u003cli\u003e1990 - 1992 Cadillac Brougham Base, d'Elegance\u003c\/li\u003e\n\u003cli\u003e1992 - 1996 Cadillac Commercial Chassis Base, Brougham\u003c\/li\u003e\n\u003cli\u003e1993 - 1996 Cadillac Fleetwood Base, Brougham\u003c\/li\u003e\n\u003cli\u003e1980 - 1982 Checker Marathon Base, Deluxe\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet Blazer Base, Silverado Sport\u003c\/li\u003e\n\u003cli\u003e1992 - 1993 Chevrolet Blazer Cheyenne\u003c\/li\u003e\n\u003cli\u003e1987 Chevrolet Blazer Custom Deluxe\u003c\/li\u003e\n\u003cli\u003e1991 - 1994 Chevrolet Blazer Nevada\u003c\/li\u003e\n\u003cli\u003e1988 - 1991 Chevrolet Blazer Scottsdale\u003c\/li\u003e\n\u003cli\u003e1987 - 1994 Chevrolet Blazer Silverado\u003c\/li\u003e\n\u003cli\u003e1980 - 1981 Chevrolet C10 Cheyenne\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet C10 Custom Deluxe, Big Ten\u003c\/li\u003e\n\u003cli\u003e1980 - 1986 Chevrolet C10 Custom, Scottsdale, Silverado\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet C10 Deluxe\u003c\/li\u003e\n\u003cli\u003e1981 - 1986 Chevrolet C10 Suburban Custom\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet C10 Suburban Custom Deluxe\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet C10 Suburban Deluxe\u003c\/li\u003e\n\u003cli\u003e1980 - 1986 Chevrolet C10 Suburban Silverado, Scottsdale\u003c\/li\u003e\n\u003cli\u003e1990 - 1993 Chevrolet C1500 454 SS\u003c\/li\u003e\n\u003cli\u003e1989 - 1995 Chevrolet C1500 Base\u003c\/li\u003e\n\u003cli\u003e1988 - 1992 Chevrolet C1500 Scottsdale\u003c\/li\u003e\n\u003cli\u003e1988 - 1995 Chevrolet C1500 Silverado, Cheyenne\u003c\/li\u003e\n\u003cli\u003e1990 - 1995 Chevrolet C1500 WT\u003c\/li\u003e\n\u003cli\u003e1992 - 1995 Chevrolet C1500 Suburban Base\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet C1500 Suburban LS, LT\u003c\/li\u003e\n\u003cli\u003e1992 - 1994 Chevrolet C1500 Suburban Silverado\u003c\/li\u003e\n\u003cli\u003e1986 Chevrolet C20 Base\u003c\/li\u003e\n\u003cli\u003e1981 - 1986 Chevrolet C20 Custom\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet C20 Custom Deluxe\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet C20 Deluxe\u003c\/li\u003e\n\u003cli\u003e1980 - 1986 Chevrolet C20 Silverado, Cheyenne, Scottsdale\u003c\/li\u003e\n\u003cli\u003e…and 267 more\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Follow the cam break-in procedure for flat-tappet cams, and use assembly lube on the lobes.\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":67737279988026,"sku":"03F1T","price":1722.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/8245\/2538\/files\/319b48f51847f6b50dd50eb7f67315e4_cbfa637a-c5d1-4a54-9997-628f8f622502.jpg?v=1792462248","url":"https:\/\/partotter.com\/products\/comp-cams-cs-xr270hr-12-cam-kit","provider":"PartOtter","version":"1.0","type":"link"}