Chevy SBC 350 B-4.165 M-350 DH-9.025 4-Bolt Billet Main Bare Iron Engine Block

If 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.