COMP Cams Camshaft Kit CS X4 254H-11

If you're looking to wake up a Chevrolet Small Block Gen 1 engine, this COMP Cams CS X4 254H-11 Camshaft Kit is a solid option. This kit is designed for engines that originally came with a flat tappet camshaft, offering an improved performance profile for a wide range of applications. It’s important to confirm your engine uses a flat tappet setup before installation, as it won't work with factory roller camshafts found in many 1985 and newer Small Blocks, or any LS-based engines.

This is a complete K-Kit, meaning it includes everything you need to swap out your old camshaft and get your engine running with the new profile. You'll find the camshaft itself, a set of lifters, valve springs, retainers, valve locks, and valve stem seals. COMP Cams also includes a timing chain set to ensure proper synchronization, assembly lube for flat tappet applications, and installation instructions to guide you through the process. This comprehensive approach helps ensure a smooth installation and reliable performance.

This kit is well-suited for a variety of Chevrolet Small Block Gen 1 engines, including popular displacements like the 350, 400, and others. While it's designed for a broad range of vehicles, always verify your specific engine's configuration, especially regarding the camshaft type. For 1955-1957 Chevrolet 265 engines, a specific oiling groove on the 5th cam journal is required, so check your block's specifications.