COMP Cams Camshaft Kit CB XR258H-R10

If you're looking to wake up your Chevrolet Big Block engine, this COMP Cams Xtreme Energy XR258H-R10 hydraulic roller camshaft kit is a solid option. This kit is designed for Chevrolet GEN IV 396-454 Big Block engines that originally came with flat tappet camshafts, and it fits a wide range of vehicles including the Chevrolet Impala, Chevelle, and Corvette from the late 60s through the mid-70s.

This isn't just a camshaft; it's a complete package to get your engine running with a modern hydraulic roller setup. Inside the box, you'll find the camshaft itself, a set of lifters, valve springs, retainers, valve locks, and valve stem seals. It also includes a timing chain set to ensure your valvetrain is synchronized correctly. For flat tappet applications, COMP Cams even includes assembly lube to help with the break-in process, along with decals and instructions to guide you through the installation. Switching to a hydraulic roller setup can offer improved performance and durability compared to older flat tappet designs.

This kit is a comprehensive solution for anyone undertaking a significant engine build or upgrade. Because it's a complete kit, it helps ensure all the components are matched for optimal performance and reliability. Remember to consult the included instructions for the best installation practices and to verify fitment for your specific vehicle application.