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Our dual plane big block manifold is now available with rectangular ports
Cast Aluminum Valve Covers
They start to make awesome power around 3
The successful formula of offering a complete engine drive accessory kit has now been applied to the Serpentine with Speedmaster pulley systems
Mopar Chrysler SB 318 340 360 Head Build Kit - Hydraulic Flat Tappet Our dual plane big blockSpeedmaster 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
