COMP Cams Camshaft Kit FF X4 256H

If you're working on a Ford Big Block 429 or 460 engine, especially in a truck like the F-250 from 1975-1994, this COMP Cams Xtreme 4x4 Camshaft Kit is a solid option for an improved powerband. This kit is specifically tuned for the X4 256H camshaft profile, which is designed to give you a noticeable bump in torque and horsepower, particularly in the lower to mid-range RPMs where trucks often need it most. It’s a hydraulic flat tappet design, meaning it uses standard lifters and doesn't require the more complex valvetrain setup of some other camshaft types.

What makes this a complete kit is that COMP Cams has bundled everything you need for a successful installation. You get the camshaft itself, a set of matching lifters, the correct valve springs, retainers, and valve locks to handle the increased lift and duration. It also includes valve stem seals to keep oil where it belongs, a new timing chain set for precise valve timing, and even assembly lube specifically for flat tappet applications to ensure proper break-in. Plus, you’ll find instructions and decals to finish the job right. This comprehensive approach helps ensure all the components work together harmoniously for reliable performance.

This kit is intended for applications where emissions compliance is not a primary concern, as it is not CARB approved and cannot be shipped to California. It's a significant upgrade for those looking to extract more capability from their Ford 429 or 460 engine, whether for towing, off-roading, or just a more responsive driving experience.