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1/2" Hex Head - 1.429 OAL, 5/16-18 Thread, P-5 Head Marking 1964-81 Pontiac Water Pump Bolt Finish: Zilver Zinc
1/2" Hex Head - 1.429 OAL, 5/16-18 Thread, P-5 Head Marking 1964-81 Pontiac Water Pump Bolt Finish: Zilver Zinc