Butler Performance Pontiac 326-389-421 (and Early 1967 400) Head Gasket (Set/2) SPM-19375-2
Pontiac Pontiac 350, 389, 400, 421, 428, 455 Head Gaskets (Set)
Manufactured exclusively for BP from the original Fitzgerald dies used for GM in the 1960's and 1970's. These head gaskets will crush to approximately .045.
Recommended installation: Spray the metal side lightly with copper coat and let dry about 5 minutes, spray lightly again and let dry. The metal side goes to the block & the composition side goes toward the head. Do not spray the composition side.
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- 1.5 lbs.
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