Chevy SBC 350 B-4.125 M-350 DH-9.025 4-Bolt Billet Main Bare Iron Engine Block Pontiac Firebird

Pontiac Firebird

Kit includes adapter plate to permit use of certain square bore style carburetors

These Speedmaster supercharger manifolds are aluminum constructed and suitable for competition or street use

Speedmasterª EFI systems give you everything you need to add powerful and efficient fuel injection to your vehicle

They feature lightweight construction with a thick rail for gasket support

Chevy SBC 350 B-4.125 M-350 DH-9.025 4-Bolt Billet Main Bare Iron Engine Block Pontiac FirebirdIf your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 engine block. Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated, supercharged, turbocharged and nitrous applications.