COMP Cams Camshaft CB XR270HR-10

This COMP Cams Xtreme Energy camshaft features a 218/224 degree duration at 0.050 inch lift and a 110-degree lobe separation angle. This hydraulic roller grind is designed for Chevrolet Big Block engines originally equipped with flat tappet camshafts, offering a noticeable bump in mid-range torque and overall responsiveness compared to stock profiles. The quicker valve opening and increased area under the lift curve translate to improved performance, especially when paired with headers and a free-flowing exhaust system. It's engineered to boost horsepower and torque without significantly compromising the driveability and creature comforts you expect, maintaining adequate vacuum for accessories like power brakes.

The Xtreme Energy grind family is well-known for providing a solid performance upgrade that works well in carbureted applications. For the best results, COMP Cams recommends pairing this camshaft with aftermarket intake manifolds, lower gear ratios, headers, and a free-flowing exhaust. While it offers improved performance, it's important to note that this camshaft is not CARB approved and cannot be shipped to California. It's a popular choice for performance builds on vehicles like the Chevrolet Chevelle, Camaro, and Impala from the late 60s through the mid-70s, as well as C10 and C20 trucks.

When installing this camshaft, it's crucial to use a roller camshaft conversion kit, including roller lifters, roller rocker arms, and pushrods, as it's designed for a hydraulic roller setup. Always refer to the manufacturer's installation instructions for specific details regarding break-in procedures and component compatibility to ensure optimal performance and longevity.