Chevy SBC 400 B-4.125 M-400 DH-9.025 4-Bolt Billet Main Bare Iron Engine Block straight ball-milled

straight ball-milled

it provides efficient high water flow and reliable performance

Kits include: Fully assembled aluminum cylinder heads

Couple this Hi-Ram intake with the high flowing LS3 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications

improving belt retention and reducing the risk of slippage

Chevy SBC 400 B-4.125 M-400 DH-9.025 4-Bolt Billet Main Bare Iron Engine Block straight ball-milledIf 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.