COMP Cams Camshaft Kit CS XM 270H-12

This COMP Cams Xtreme Marine camshaft kit features a 226/236 hydraulic flat tappet camshaft, designed to give your Chevrolet Small Block engine a strong mid-range pull and improved throttle response. The camshaft's profile is tuned for noticeable idle characteristics, making it a popular choice for performance marine applications like jet boats with A impellers, where consistent power delivery is key. It's built to work with a range of Chevrolet Gen 1 Small Block engines, including popular displacements like the 350, 400, and 327, among others.

When you choose this K-Kit, you're getting a complete package to get your engine rebuilt or upgraded. It includes not just the camshaft itself, but also the necessary lifters, valve springs, retainers, valve locks, and valve stem seals. To ensure a smooth installation and proper break-in, the kit also comes with a timing chain set, assembly lube specifically for flat tappet applications, and detailed instructions. This comprehensive approach means you have most of the critical components needed for the job, all from a well-known name in performance engine parts.

It's important to verify your specific engine's configuration before ordering. This kit is intended for flat tappet camshaft blocks and does not fit factory roller small blocks built from 1985 and newer, nor does it fit any LS-based engines. For 1955-1957 Chevrolet 265 engines, a specific oiling groove on the 5th cam journal is required; please contact us if your engine falls into this category. This kit is not CARB approved and cannot be shipped to California.