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

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
• Simplified plumbing for external pumps
• Used in 1500+HP Applications
   

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.