COMP Cams Camshaft Kit CB X4 256H-11 for Chevrolet Big Block Engines

The COMP Cams Camshaft Kit CB X4 256H-11 is designed specifically for Chevrolet GEN IV 396-454 big block engines originally equipped with flat tappet camshafts. This complete kit includes a high-quality camshaft, lifters, valve springs, retainers, valve locks, valve stem seals, and a timing chain set, providing a comprehensive solution for engine performance upgrades. Whether you're restoring or enhancing your engine, this kit offers reliable parts engineered for durability and optimal power delivery.
Designed to improve low-end and mid-range torque and power, the CB X4 256H-11 kit also ensures a smooth and consistent idle. The included assembly lube facilitates proper installation, and detailed decals and instructions help guide the process. This kit is ideal for enthusiasts seeking to boost their engine’s performance while maintaining driveability and fuel efficiency, especially in applications where flat tappet camshafts are used.
Constructed by COMP Cams, a trusted name in performance camshafts and engine components, this kit is engineered for longevity and performance. The parts are compatible with flat tappet applications, and the design emphasizes ease of installation and reliable operation. Please note, this kit is not carburetor approved and requires acknowledgment of this fact during installation. It is suitable for use in engine rebuilds or upgrades that demand a balanced combination of power, reliability, and ease of installation.

Features:

• Complete kit includes camshaft, lifters, valve springs, retainers, valve locks, valve stem seals, timing chain set, assembly lube, decals, and instructions

• Designed for Chevrolet GEN IV 396-454 big block engines with flat tappet camshafts

• Improves low-end torque, mid-range power, and idle quality

• Engineered for durability and reliable performance

• Includes assembly lube for proper installation