Product Details
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: 350 CID Chevrolet Small Block Generation I
Specifications
| Cam Journal OD: Standard SBC - 1.869 |
| Cam Plug: 2.375" Dia. Cup Plug |
| Cylinder Wall Thickness: 0.275" min @ 4.155" Bore |
| Deck Height: 9.025" |
| Deck Thickness: 0.675" Min |
| Fuel Pump: Electric Only |
| Freeze Plugs: 10 x 1-5/8" Press In Cup Plugs |
| Lifter Bores: SBC 0.8427-0.8437" |
| Main Bearing Size: 2.450" (SBC 350) |
| Main Bearing Bore: 2.649" (SBC 350) |
| Main Cap Bolts: |
| #1 7/16" (2) 3/8" (2) |
| #2, 3, 4 7/16 (2) Splayed (2) |
| #5 7/16" (2) 3/8" (2) |
| Main Cap Press: 0.005" |
| Main Caps: All 5 Billet Steel. 3 Center Caps Splayed |
| Main Cap Register: Deep Stepped Register (No Need for Dowels) |
| Oil System: Wet Sump - Main Priority Oiling (Can Use Dry Sump) |
| Oil Pump Shaft: 350 0.481" OD - Standard |
| Oil Filter: SBC, Uses 2 Bolt Adapter |
| Oil Pan: Standard 350 SBC |
| Rear Main Seal: Standard 350 SBC - 2pc |
| Starter: Dual Bolt Pattern |
| Stud Holes, Head: Blind Holes |
| Timing Chain/Gears: Standard SBC Components |
| Timing Cover: Standard Cam Location SBC |
| Torque Specs: |
| 1 - 5 7/16" Bolts 65 ft. lbs. |
| 1 & 5 3/8" Bolts - 35 ft. lbs. |
| Weight: 110 Lbs @ 4.0" Bore |
| Material: A-356 Aluminum |
Features
- Ductile iron sleeves
- Extra thick cylinder walls & decks
- 4 bolt splayed mains
- Screw in freeze plug
- Enlarged bosses for offset or oversize lifters and scalloped water jacket holes for improved cooling
- Siamesed cylinders, dual starter mount bolt patterns for additional starter clearance
- Front and rear external oil inlets, crossover and restrictor provisions to simplify plumbing with external pump
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.