COMP Cams Xtreme Energy XR 276HR-10 Camshaft for Small Block Chevrolet Carbureted Engines

The COMP Cams Xtreme Energy XR 276HR-10 Camshaft is a high-performance street machine that's designed specifically for small block Chevrolet carbureted engines. This camshaft is a custom grind based on a 112-degree lobe separation angle, which ensures sufficient vacuum for the power brakes and headlamp doors.

Fits '87+ GEN 1 Chevrolet 305-350 Small Blocks w/ Factory Roller Camshafts (Not LT-1/LS1 etc)

The real secret to this camshaft's performance lies in its unique design. COMP Cams has engineered the Xtreme Energy XR 276HR-10 Camshaft to provide a high-performance street machine experience with a duration advertised at 282 degrees and an RPM range of 1800-5800.

Key Specifications:

* Exhaust Duration at 050 inch Lift: 230

* Intake Duration at 050 inch Lift: 224

* Intake Valve Lift with Factory Rocker Arm Ratio: 0.502

* Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.51

* Grind Number: CS XR276HR-10

* RPM Range: 1800-5800

This camshaft is designed to work seamlessly with hydraulic roller tappets and is computer-controlled compatible. It's also important to note that the Xtreme Energy XR 276HR-10 Camshaft requires the use of a bronze tip fuel pump pushrod when using high pressure or high volume pumps.

In summary, the COMP Cams Xtreme Energy XR 276HR-10 Camshaft is a high-performance street machine designed specifically for small block Chevrolet carbureted engines. Its unique design and specifications make it an excellent choice for those looking to upgrade their engine's performance. With its ability to provide a choppy idle, 2000+ stall, gears, and more, this camshaft is sure to deliver a thrilling ride.

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