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Speedmaster
Chevy SBC 350 B-4.125 M-350 DH-9.025 4-Bolt Billet Main Bare Iron Engine Block
MPN: 1-286-002-01 UPC: 840136502388
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.