| Description: |
 Uses roller lifters & floating piston pins. Fits cast iron or stainless ext. manifolds. |
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| Make: |
GM - BUICK |
Engine Type: |
V8-OHV, OLDS. CARB. |
| Year: |
1985 - 1989 |
Cylinders: |
8 Cyl. Engines and Crankshaft Kits |
| Liters: |
5.0L |
Our Part Number Complete: |
O9946 |
| Cubic Inch: |
307 |
Our Part Number Short Block: |
O946 |
| VIN Code: |
Y |
Block Casting Number or Visual ID: |
4790 GM5.0LG, 6509 |
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Casting Number Location: |
Front side center of block. |
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| Crankshaft Kit Information |
Cylinder Head Information |
| Kit Part Number#: 20259 |
Cylinder Head Part Number#: H15007 |
| Crank Casting Number or Visual ID#: 230376, 393654, 418882, 556607 |
Head Casting Number or Visual ID#: 0142 |
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Crankshaft Cylinder Heads Connecting Rod