Complete Engines - GM - BUICK (O9946)

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

Cylinder Head Part Number#: H15007
Head Casting Number or Visual ID#: 0142

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Crankshaft Kit Information

Kit Part Number#: 20259
Crank Casting Number or Visual ID#: 230376, 393654, 418882, 556607

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