Chevy BBC 454 Head Build Kit - Mechanical Flat Tappet Speedmaster CNC ported cylinder heads

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

This manifold will typically produce more power than any similar competitive manifold due to larger ports and runners

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

This Speedmaster LowRise manifold is a direct replacement for the stock manifold on 1957-95 Small Block Chevy non-EGR engines

Chevy BBC 454 Head Build Kit - Mechanical Flat Tappet Speedmaster CNC ported cylinder headsSpeedmaster 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