COMP Cams Camshaft Kit FF X4 278H

When you're rebuilding the top end of your Ford Big Block 429 or 460 engine, this COMP Cams Xtreme 4x4 Camshaft Kit (SK-Kit) gives you the core components to get started. This kit specifically includes the camshaft, lifters, and a timing chain set, along with assembly lube and decals to help with the installation process. It's designed to provide good top-end power, making it a solid choice for your F-250, F-350, or other Ford trucks from the 1975-1994 model years, as well as earlier F-100 and F-150 applications.

The X4 278H camshaft in this kit has a 234/244 degree intake/exhaust duration and is a hydraulic flat tappet design. For optimal performance with this camshaft, the manufacturer suggests pairing it with an intake, headers, and appropriate gearing, recommending a 2500+ RPM stall speed torque converter if you're running automatic transmission and aiming for around 9.5:1 compression. This combination is geared towards delivering strong performance when you need it most, especially in the upper RPM range.

This kit is a great starting point for building a more powerful engine. 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 of your new camshaft and engine components.