Chevy SBC 350 to 427 CID Forged Short Block Assembled Engine Motor 1000+ HP These cast aluminum manifolds accept

These cast aluminum manifolds accept square-bore carburetors and are pressure tested to ensure maximum performance

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

These manifolds require a universal 4-barrel throttle body

Dual distributor hold downs and Four corner water ports

That latter characteristic translates into increased ground

Chevy SBC 350 to 427 CID Forged Short Block Assembled Engine Motor 1000+ HP These cast aluminum manifolds acceptSpeedmaster small block 427 c. i. d. short block engines are the solution to a hassle free power build! These combinations start with a reliable Speedmaster 9. 025 in. block for added strength.