COMP Cams Camshaft Kit LS1 XEr287HR-12

This is the COMP Cams XFI XE-R hydraulic roller camshaft kit, part number K54-448-11. It's designed for GM LS Gen III and Gen IV engines, including popular applications like the LS1, LS2, LS3, LS6, and larger displacement variants. If you're looking to significantly upgrade the performance of your LS-powered vehicle, this kit offers a comprehensive solution to achieve that goal. It's a popular choice for those rebuilding their top end or undertaking a performance-oriented engine build.

The Xtreme Energy XE-R design is specifically tuned for larger cubic inch LS engines, aiming to unlock more power and torque. This kit isn't just the camshaft; it's a complete package to ensure proper installation and performance. You'll find a hydraulic roller camshaft, lifters, valve springs, retainers, valve locks, valve stem seals, and a timing chain set included. COMP Cams also adds assembly lube and decals to help with the installation process. This comprehensive approach means you have the essential components needed to swap out your old valvetrain and install a more aggressive profile.

This kit is a solid option for enthusiasts looking for a noticeable bump in performance from their LS engine. The XE-R grinds are known for their aggressive nature, making them well-suited for applications where maximum power output is desired. It's important to note that this camshaft kit is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's instructions for proper installation and break-in procedures to ensure the longevity and performance of your new valvetrain.