Chevy BBC 454 Head Build Kit - Hydraulic Roller Tappet Designed for engines producing up

Designed for engines producing up to 500hp

all components are hand fit and assembled in USA for the ultimate in precision fit and finish

to feed its sump tankâÃîdelivering enough fuel to power up to 800 HP engines

Welcome to the new era in fuel injection

These can be used on std or aftermarket plenum manifolds

Chevy BBC 454 Head Build Kit - Hydraulic Roller Tappet Designed for engines producing upSpeedmaster 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