Product Details
Bare Engine Block by Speedmaster®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get you vehicle back on the road faster and easier.
Fitment notes
- Fits Following Engines: 400 CID Chevrolet Small Block Generation I
- Fits Following Engines: 350 CID Chevrolet Small Block Generation I
Specifications
| Rear Main Style: 2pc. RMS |
| Crankshaft Material: Forged 4340 |
| Piston Material: 2060 Aluminum |
| Block Piston Style: Dish, with two valve reliefs |
| Connecting Rod Material: 4340 Steel |
| Connecting Rod Beam Style: Racing H-Beam |
| Main Bolt Style: 4 Bolt |
| Main Journal Type: 400 Mains |
| Deck Height: 9.025" |
| Engine Balance: Internal |
Features
- Fully USA Machined Speedmaster Block
- 4-Bolt Main Engine Block and Brass Freeze Plugs
- 4340 Steel Crankshaft
- Forged Pistons
- Forged "H" Beam Connecting Rods
- Zero Gap Moly Piston Rings
- Race King Brand Engine Bearings Only
Founded in 1979, Speedmaster® has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. It began as a small speed workshop building engines for customers as a hobby, and now the company has grown from a one-man bricks-and-mortar business into a worldwide high-performance powerhouse known for assembling, manufacturing and racing high-performance engine parts. Speedmaster’s mission is to push innovation boundaries to create visually distinctive DNA, by blending old and new technology into functionality and aesthetics. Its empowered work forced drives innovation not only in the products it makes but with the way it goes about doing it. The ultimate token of precision, Speedmaster is the world’s only major parts manufacturer to equip cars from Standard replacement to Top Fuel Dragsters. Surviving the longevity of road, race and recreation is mandatory for all Speedmaster “Track Proven” products, bringing you closer to product perfection.