COMP Cams LT1 XR258HR-12 Hydraulic Roller Camshaft for Chevrolet Impala and More

Hydraulic Roller - Xtreme Energy: Good in factory LT1, increased power and economy over stock. Good in factory LT1, increased power and economy over stock. Hydraulic 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; Pontiac: 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

The 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.

Features:

• Optimized for factory LT1 engines with improved power and efficiency.

• Advertised duration of 258/264 degrees, with 206/212 degrees at 0.050 inch lift.

• Lift measurements of 0.480 inches and 0.488 inches for enhanced airflow.

• Designed for use within a 1,000 to 5,000 RPM operating range.

• Requires bronze tip fuel pump pushrod when paired with high-pressure or high-volume pumps.

• Compatible with Chevrolet Impala, Caprice, Corvette, Camaro, Buick Roadmaster, and various other GM models from 1992 to 1997.

• Part number 07-500-8, manufactured by COMP Cams for reliable performance.

• Not CARB approved; suitable for off-road or racing applications.

Fits
Buick Commercial Chassis Base 1994
Buick Commercial Chassis Base 1995
Buick Commercial Chassis Base 1996
Buick Roadmaster Base 1994
Buick Roadmaster Base 1995
Buick Roadmaster Collector's Edition 1996
Buick Roadmaster Estate Wagon 1994
Buick Roadmaster Estate Wagon 1995
Buick Roadmaster Estate Wagon Collector's Edition 1996
Buick Roadmaster Limited 1994
Buick Roadmaster Limited 1995
Buick Roadmaster Limited Collector's Edition 1996
Cadillac Commercial Chassis Base 1994
Cadillac Commercial Chassis Base 1995
Cadillac Commercial Chassis Base 1996
Cadillac Commercial Chassis Brougham 1994
Cadillac Commercial Chassis Brougham 1995
Cadillac Commercial Chassis Brougham 1996
Cadillac Fleetwood Base 1994
Cadillac Fleetwood Base 1995
Cadillac Fleetwood Base 1996
Cadillac Fleetwood Brougham 1994
Cadillac Fleetwood Brougham 1995
Cadillac Fleetwood Brougham 1996
Chevrolet Camaro Indianapolis 500 Pace Car 1993
Chevrolet Camaro Z28 1992
Chevrolet Camaro Z28 1993
Chevrolet Camaro Z28 1994
Chevrolet Camaro Z28 1995
Chevrolet Camaro Z28 1996
Chevrolet Camaro Z28 1997
Chevrolet Camaro Z28 Heritage Edition 1992
Chevrolet Caprice Classic 1994
Chevrolet Caprice Classic 1995
Chevrolet Caprice Classic 1996
Chevrolet Caprice Classic LS 1994
Chevrolet Commercial Chassis Base 1994
Chevrolet Corvette 40th Anniversary Edition 1993
Chevrolet Corvette Base 1992
Chevrolet Corvette Base 1993
Chevrolet Corvette Base 1994
Chevrolet Corvette Base 1995
Chevrolet Corvette Base 1996
Chevrolet Corvette Collector's Edition 1996
Chevrolet Corvette Grand Sport 1996
Chevrolet Corvette Indianapolis 500 Pace Car 1995
Chevrolet Impala SS 1994
Chevrolet Impala SS 1995
Chevrolet Impala SS 1996
Excalibur Limited Base 1993
Pontiac Firebird Formula 1992
Pontiac Firebird Formula 1993
Pontiac Firebird Formula 1994
Pontiac Firebird Formula 1995
Pontiac Firebird Formula 1996
Pontiac Firebird Formula 1997
Pontiac Firebird Trans Am 1992
Pontiac Firebird Trans Am 1993
Pontiac Firebird Trans Am 1994
Pontiac Firebird Trans Am 1995
Pontiac Firebird Trans Am 1996
Pontiac Firebird Trans Am 1997
Pontiac Firebird Trans Am GT 1994
Pontiac Firebird Trans Am GTA 1992