{"product_id":"comp-cams-lt1-xr258hr-12-hydraulic-roller-camshaft-for-chevrolet-impala-and-more","title":"COMP Cams LT1 XR258HR-12 Hydraulic Roller Camshaft for Chevrolet Impala and More","description":"Hydraulic Roller - Xtreme Energy: Good in factory LT1, increased power and economy over stock.\nGood in factory LT1, increased power and economy over stock.\nHydraulic Roller - Xtreme Energy: Good in factory LT1, increased power and economy over stock.; 258\/264 Advertised Duration, 206\/212 Duration  .050\", .480\"\/.488\" Lift, 112 Lobe Separation; 1000 to 5000 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;\nPontiac: Firebird 92 - 97 5.7 L Engine, Buick: Roadmaster 94 - 96 5.7 L Engine, Cadillac: Commercial Chassis 94 - 96 5.7 L Engine, Cadillac: Fleetwood 94 - 96 5.7 L Engine, Chevrolet: Caprice 94 - 96 5.7 L Engine, Chevrolet: Commercial Chassis 94 - 94 5.7 L Engine, Chevrolet: Impala 94 - 96 5.7 L Engine, Buick: Commercial Chassis 94 - 96 5.7 L Engine, Chevrolet: Corvette 92 - 96 5.7 L Engine, Chevrolet: Camaro 92 - 97 5.7 L Engine, Excalibur: Limited 93 - 93 5.7 L Engine, Chevrolet: Caprice 94 - 96 4.3 L Engine\n\u003cp\u003eThe COMP Cams LT1 XR258HR-12 hydraulic roller camshaft is designed to enhance performance in factory LT1 engines used in various Chevrolet, Buick, Cadillac, and Pontiac models from the mid-1990s. This camshaft features an advertised duration of 258\/264 degrees with a 206\/212 duration at 0.050 inches of lift, and lift measurements of 0.480 inches and 0.488 inches respectively. Operating effectively within a range of 1,000 to 5,000 RPM, it provides noticeable improvements in power output and fuel economy over stock camshafts. The XR258HR-12 is suitable for enthusiasts seeking increased engine responsiveness without sacrificing reliability. It is important to note that a bronze tip fuel pump pushrod is required when using high-pressure or high-volume fuel pumps to ensure proper operation and longevity of the engine components.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOptimized for factory LT1 engines with improved power and efficiency.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAdvertised duration of 258\/264 degrees, with 206\/212 degrees at 0.050 inch lift.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLift measurements of 0.480 inches and 0.488 inches for enhanced airflow.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for use within a 1,000 to 5,000 RPM operating range.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRequires bronze tip fuel pump pushrod when paired with high-pressure or high-volume pumps.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with Chevrolet Impala, Caprice, Corvette, Camaro, Buick Roadmaster, and various other GM models from 1992 to 1997.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePart number 07-500-8, manufactured by COMP Cams for reliable performance.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNot CARB approved; suitable for off-road or racing applications.\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits\u003cbr\u003e\nBuick Commercial Chassis Base 1994\u003cbr\u003e\nBuick Commercial Chassis Base 1995\u003cbr\u003e\nBuick Commercial Chassis Base 1996\u003cbr\u003e\nBuick Roadmaster Base 1994\u003cbr\u003e\nBuick Roadmaster Base 1995\u003cbr\u003e\nBuick Roadmaster Collector's Edition 1996\u003cbr\u003e\nBuick Roadmaster Estate Wagon 1994\u003cbr\u003e\nBuick Roadmaster Estate Wagon 1995\u003cbr\u003e\nBuick Roadmaster Estate Wagon Collector's Edition 1996\u003cbr\u003e\nBuick Roadmaster Limited 1994\u003cbr\u003e\nBuick Roadmaster Limited 1995\u003cbr\u003e\nBuick Roadmaster Limited Collector's Edition 1996\u003cbr\u003e\nCadillac Commercial Chassis Base 1994\u003cbr\u003e\nCadillac Commercial Chassis Base 1995\u003cbr\u003e\nCadillac Commercial Chassis Base 1996\u003cbr\u003e\nCadillac Commercial Chassis Brougham 1994\u003cbr\u003e\nCadillac Commercial Chassis Brougham 1995\u003cbr\u003e\nCadillac Commercial Chassis Brougham 1996\u003cbr\u003e\nCadillac Fleetwood Base 1994\u003cbr\u003e\nCadillac Fleetwood Base 1995\u003cbr\u003e\nCadillac Fleetwood Base 1996\u003cbr\u003e\nCadillac Fleetwood Brougham 1994\u003cbr\u003e\nCadillac Fleetwood Brougham 1995\u003cbr\u003e\nCadillac Fleetwood Brougham 1996\u003cbr\u003e\nChevrolet Camaro Indianapolis 500 Pace Car 1993\u003cbr\u003e\nChevrolet Camaro Z28 1992\u003cbr\u003e\nChevrolet Camaro Z28 1993\u003cbr\u003e\nChevrolet Camaro Z28 1994\u003cbr\u003e\nChevrolet Camaro Z28 1995\u003cbr\u003e\nChevrolet Camaro Z28 1996\u003cbr\u003e\nChevrolet Camaro Z28 1997\u003cbr\u003e\nChevrolet Camaro Z28 Heritage Edition 1992\u003cbr\u003e\nChevrolet Caprice Classic 1994\u003cbr\u003e\nChevrolet Caprice Classic 1995\u003cbr\u003e\nChevrolet Caprice Classic 1996\u003cbr\u003e\nChevrolet Caprice Classic LS 1994\u003cbr\u003e\nChevrolet Commercial Chassis Base 1994\u003cbr\u003e\nChevrolet Corvette 40th Anniversary Edition 1993\u003cbr\u003e\nChevrolet Corvette Base 1992\u003cbr\u003e\nChevrolet Corvette Base 1993\u003cbr\u003e\nChevrolet Corvette Base 1994\u003cbr\u003e\nChevrolet Corvette Base 1995\u003cbr\u003e\nChevrolet Corvette Base 1996\u003cbr\u003e\nChevrolet Corvette Collector's Edition 1996\u003cbr\u003e\nChevrolet Corvette Grand Sport 1996\u003cbr\u003e\nChevrolet Corvette Indianapolis 500 Pace Car 1995\u003cbr\u003e\nChevrolet Impala SS 1994\u003cbr\u003e\nChevrolet Impala SS 1995\u003cbr\u003e\nChevrolet Impala SS 1996\u003cbr\u003e\nExcalibur Limited Base 1993\u003cbr\u003e\nPontiac Firebird Formula 1992\u003cbr\u003e\nPontiac Firebird Formula 1993\u003cbr\u003e\nPontiac Firebird Formula 1994\u003cbr\u003e\nPontiac Firebird Formula 1995\u003cbr\u003e\nPontiac Firebird Formula 1996\u003cbr\u003e\nPontiac Firebird Formula 1997\u003cbr\u003e\nPontiac Firebird Trans Am 1992\u003cbr\u003e\nPontiac Firebird Trans Am 1993\u003cbr\u003e\nPontiac Firebird Trans Am 1994\u003cbr\u003e\nPontiac Firebird Trans Am 1995\u003cbr\u003e\nPontiac Firebird Trans Am 1996\u003cbr\u003e\nPontiac Firebird Trans Am 1997\u003cbr\u003e\nPontiac Firebird Trans Am GT 1994\u003cbr\u003e\nPontiac Firebird Trans Am GTA 1992","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55157875179825,"sku":"4389654","price":440.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/904c8c4fdb5d212ffe32e4677006273b_49eba97c-ad06-4377-be29-860b43b711b3.jpg?v=1783578358","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-lt1-xr258hr-12-hydraulic-roller-camshaft-for-chevrolet-impala-and-more","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}