COMP Cams Camshaft Kit CBVI XR271HR-12

This is the COMP Cams Camshaft Kit CBVI XR271HR-12, designed for Chevrolet Big Block Gen VI engines. It's a comprehensive kit aimed at significantly improving your engine's performance, especially when paired with ported heads. This kit is a substantial upgrade for those looking to get more out of their big block, and it's built to handle more aggressive use.

Inside this kit, you'll find the XR271HR-12 camshaft itself, which features a 224-degree intake duration and 232-degree exhaust duration with a 112-degree lobe separation angle. It also includes a set of hydraulic roller lifters, a new timing chain set for precise valve timing, and assembly lube to ensure everything goes together smoothly. COMP Cams also includes decals and instructions to guide you through the installation process. This kit is intended for serious valvetrain upgrades and requires a 2200+ RPM stall torque converter and engine tuning to perform optimally. It's a well-built package that offers a notable change in your engine's powerband.

This kit fits a range of Chevrolet and GMC trucks and vans from the mid-to-late 90s, including models like the 1996-2000 Chevrolet C2500 and 1996-1999 GMC C2500 Suburban. It's important to note that this camshaft kit is not CARB approved and cannot be shipped to California. For optimal performance, ensure you have the necessary supporting modifications like ported heads and a suitable torque converter.