Description
Engine Specifications:
- Block: Seasoned OE non roller block 1988-1993
- Bore/Stroke: 4.040″ x 3.500″
- Displacement: 351W
- Crankshaft: OE 1 piece seal external balance 28oz
- Rods: OE powder metal
- Pistons: Hypereutectic +19cc D cup dish
- Compression Ratios: 58cc = 9.4:1 / 64cc = 8.7:1 / 70cc = 8.2:1 (can vary due to deck height/gasket thickness)
- Rings: Plasmamoly
- Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
- Freeze Plugs: Brass, installed and sealed
- Oil Galley Plugs: Installed and sealed
Recommended Components:
- Balancer: External balance 28oz
- Flexplate/Flywheel: External balance 28oz
- Head Gasket: .047″ or per application
Engine Info:
- Oil: 10W30 Non synthetic for first 3000 miles
- Oil Filter: Wix or K and N per application
Disclaimer:
The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.
| KEY SPECS | |
|---|---|
| MFG. Part # | SP09 |
| Brand | ATK Engines |
| Piston Material | Hypereutectic Aluminum |
| Crankshaft Material | Cast Steel |
| Connecting Rod Material | Cast Iron |
| Engine Balance | External |
| Rear Main Seal Style | 1-piece |
| Oil Pan Included | No |
| Timing Cover Included | No |
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