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.
The Speedmaster H1 is the perfect starting point for a powerful and reliable engine build suited for the street or race track. Precision pre-machining is the perfect starting point for a powerful and reliable engine eliminating time and expense of blueprinting a stock block or ''semi-finished'' factory casting. Best of all can be used with standard off the shelf small block components.
Speedmaster H1 Chevy SBC bare blocks feature:
Cast from premium high-strength Class 32B iron
Standard deck height allows the use of off the shelf parts
Uses standard small block Camshaft, Timing Chain, Oil pump, Oil filter, Motor Mounts.
Priority main oiling system directs oil to main bearings
Blind tapped head bolt holes prevent water leaks
Extra thick decks ensure reliable head gasket seal
Billet steel 4-bolt main caps (splayed for extra strength)
Front and rear external oil feed, crossover and restrictor provision
In 1979, the company was founded with Pete's Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which entails more than 400+ people all across the world. Today, Pete's Performance has evolved into the internationally known Speedmaster: which has distribution centres and offices is Sydney, Los Angeles and Shanghai.