COMP Cams Camshaft Kit CBVI XM270HR-12

If you're looking to improve the performance of your Chevrolet Big Block Gen VI engine, this COMP Cams Xtreme Marine camshaft kit is a solid option. Designed for pleasure boat applications, this kit is built to provide a good idle while offering improved performance over stock. It's a comprehensive package that includes everything you need to get the job done right, making it a popular choice for engine rebuilds and upgrades.

This kit features the XM270HR-12 camshaft, which is a hydraulic roller type. Hydraulic roller camshafts are known for their efficiency and ability to handle higher RPMs compared to flat tappet designs. The kit also comes with matching lifters, valve springs, retainers, valve locks, and valve stem seals, ensuring all components are optimized to work together. You'll also find a timing chain set included, which is crucial for maintaining proper valve timing. COMP Cams also includes assembly lube and decals, along with detailed instructions to guide you through the installation process.

This particular kit is well-suited for inboard and outboard pleasure boats, offering a good balance between a smooth idle and enhanced power delivery. While it's designed for marine applications, it can also be a good fit for certain performance street applications where a good idle is a priority. Remember that this 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 camshaft setup.