COMP Cams Camshaft LT1 XR276HR-12

If you're looking to get more out of your modified GM LT1 or LT4 engine, a camshaft upgrade is one of the most effective ways to change its personality. This Xtreme Energy camshaft from COMP Cams is designed to improve exhaust flow and is a popular choice when paired with a torque converter rated for 2000 RPM or higher. It's a hydraulic roller camshaft, which means it's built for durability and performance without the need for frequent adjustments.

This camshaft features a 224-degree intake duration and 230-degree exhaust duration, with a 112-degree lobe separation angle. These specs are carefully chosen to provide a noticeable bump in power, especially in the mid-to-upper RPM range, while still maintaining reasonable drivability for street use. Because it significantly alters the engine's breathing characteristics, this camshaft requires a custom tune to optimize performance and ensure everything runs smoothly. It's a well-built component that many enthusiasts turn to when rebuilding the top end of their LT1-powered vehicle.

This camshaft fits a wide range of GM vehicles from the early to mid-90s, including models like the Chevrolet Corvette, Camaro, Pontiac Firebird, and Buick Roadmaster. When installing a new camshaft, it's always a good idea to inspect other valvetrain components like lifters, pushrods, and valve springs to ensure they are in good condition and compatible with the new cam's specifications. Remember that this part is not CARB approved and cannot be shipped to California.