Standard GM intake manifold bolt for use with all GM and aftermarket Vortec intakes on Fastburn, Vortec and Edelbrock E- tech Heads.5/16-18 X 1-1/2 With special washer head. Bolts are sold Each- 1 bolt per part number, 8 Required for an engine.
These bolts have thread sealer pre- applied to the threads.
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