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Home Chevrolet/GM Small Block Gen I 262-400 '58-'86 Camshafts Hydraulic Roller Xtreme Energy™
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Total products in Xtreme Energy™: 9

XTREME ENERGY™Maximize Torque, Acceleration & Throttle Response  Excellent High RPM Horsepower

Designed to maximize torque, acceleration and throttle response while providing excellent high RPM horsepower. Faster intake valve opening increases engine vacuum and enhances throttle response. Special intake valve closing ramps close the valve sooner, providing more cylinder pressure and torque without resulting in excessive valve train noise. Faster ramps achieve maximum velocity sooner, increasing the area under the lift curve and providing maximum horsepower. Smoother exhaust designs allow for a more effective purge of spent gasses from the combustion chamber to further increase horsepower. Feature CRC (Constant Radius of Curvature) inverted radius of curvature ramp designs. COMP Cams® has enhanced this technique to ensure durability with these most aggressive hydraulic roller designs. High lift versions are more aggressive and will require a stronger spring or a lower max RPM.

Xtreme Energy™ XR252HR; 600 to 4600 RPM Range
Part Number: 08-407-8
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Price: $297.78
Xtreme Energy™ XR258HR; 1000 to 5000 RPM Range
Part Number: 08-408-8
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Price: $297.78
Xtreme Energy™ XR264HR; 1200 to 5200 RPM Range
Part Number: 08-412-8
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Price: $297.78
Xtreme Energy™ XR270HR; 1600 to 5400 RPM Range
Part Number: 08-422-8
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Price: $297.78
Xtreme Energy™ XR276HR; 1900 to 5600 RPM Range
Part Number: 08-423-8
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Price: $297.78
Xtreme Energy™ XR282HR; 2200 to 5800 RPM Range
Part Number: 08-432-8
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Price: $297.78
Xtreme Energy™ XR288HR; 2500 to 6000 RPM Range
Part Number: 08-433-8
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Price: $297.78
Xtreme Energy™ XR294HR; 2800 to 6100 RPM Range
Part Number: 08-443-8
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Price: $297.78
Xtreme Energy™ XR300HR; 3200 to 6200 RPM Range
Part Number: 08-444-8
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Price: $297.78
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