| Brand: | Speedmaster |
| Part Number: | PCE286.1054 |
| Part Type: | Engines, Bare Block |
| Block Material: | A-356 Aluminum |
| Cylinder Bore Diameter: | 4.000 in. |
| Bore & Stroke: | 4.155 in. x 4.000 in. Max Recommended |
| Cam Journal OD: | Standard SBC - 1.869 |
| Cam Plug: | 2.375 in. Dia. Cup Plug |
| Cylinder Wall Thickness: | 0.275 in. min @ 4.155 in. Bore |
| Deck Height: | 9.025 in. |
| Deck Thickness: | 0.675 in. Min |
| Fuel Pump : | Electric or Mechanical |
| Fuel Pump Pushrod: | n/a |
| Freeze Plugs: | 10 x 1-5/8 in. Press In Cup Plugs |
| Lifter Bores: | SBC 0.8427-0.8437 in. |
| Main Bearing Size: | 2.450 in. (SBC 350) |
| Main Bearing Bore: | 2.649 in. (SBC 350) |
| Main Cap Bolts: | #1 7/16 in. (2) 3/8 in. (2) #2, 3, 4 7/16 (2) Splayed (2) #5 7/16 in. (2) 3/8 in. (2) |
| Main Cap Press: | 0.005 in. |
| 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 in. OD - Standard |
| Oil Filter: | SBC, Uses 2 Bolt Adapter |
| Oil Pan: | Standard 350 SBC |
| Rear Main Seal: | Standard 350 SBC - 2pc |
| Serial No. Location: | n/a |
| 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 in. Bolts 65 ft. lbs. 1 & 5 3/8 in. Bolts - 35 ft. lbs. |
| Weight: | 110 Lbs @ 4.0 in. Bore |
| Quantity: | Sold individually. |
| Notes: | Check hood clearance before installing. Block orifices must all be checked for accuracy before assembly. Non Finished refers to bores not being finished honed. Slightly undersized to machine at your discretion. This block features 3/8 stud holes. Will require PCE279.1029 head stud kit. |
