Chevy BBC 454 Head Build Kit - Race Mechanical Roller Tappet equal-distribution layout produces great midrange

equal-distribution layout produces great midrange torque without compromising top-end power

It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs

The cells have foam in the base to prevent fuel aeration

Designed to bolt onto our aluminum center sections and used with our various housing end applications

Chevy BBC 454 Head Build Kit - Race Mechanical Roller Tappet equal-distribution layout produces great midrangeSpeedmaster cylinder head valvetrain kits offer a comprehensive solution for revitalizing your engine's cylinder heads. These kits are expertly crafted to restore optimal performance and are tailored to match specific cylinder head configurations and camshaft profiles, ensuring a perfect fit and maximum efficiency. Whether you're overhauling an engine or looking to upgrade your vehicle's performance, these valvetrain kits provide all the necessary