Speedmaster®
Chevy LS 6.0L Gen IV B-4.000 M-STD DH-9.240 6-Bolt Billet Main Iron Engine Block
Overview
The next level of performance are these cast-iron Chevy LS blocks. Designed to look standard under your bonnet, and work with stock components. The Speedmaster block is ready for the street racer or all-out racer with added strength and cubic inches. All the factory flaws redesigned to be eliminated, while still using the water jacket design. The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE286.1058.01 |
| Part Type: | Engines, Bare Blocks |
| Cylinder Bore Diameter: | 4.000 in. |
| Bore & Stroke: | 3.622 in. x 4.000 in. Max Recommended |
| Cam Journal OD: | 2.164 in. - 2.166 in. |
| Deck Height: | 9.240 in. |
| Fuel Pump : | Electrical |
| Fuel Pump Pushrod: | N/A |
| Lifter Bores (in.): | 0.843 in. - 0.844 in. |
| Main Bearing Size (in.): | 2.558 in.-2.559 in. |
| Main Bearing Bore (in.): | 2.750 in.-2.751 in. |
| Main Cap Bolts: | 6 Bolt |
| Main Cap Press: | 0.005 in. |
| Oil System: | Wet Sump |
| Oil Pan: | Standard LS |
| Rear Main Seal (in.): | Standard LS 4.527 in. |
| Starter: | Standard LS |
| Stud Holes, Head: | Blind Holes |
| Timing Chain/Gears: | Standard LS Components |
| Timing Cover: | Standard Cam Location LS |
| Weight: | 205 Lbs @ 4.0 in. Bore |
| Quantity: | Sold individually. |
| Notes: | Check hood clearance before installing. No provision for Active Fuel Management |
| Calculator: | CFM Calculator |
Brand Information
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.
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.