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The ARP hex header bolt kit contains 3/8 x 1.000 inch hex head bolts intended for header fastener applications and related engine hardware work. This kit specifies the bolt dimensions and is intended to supply correctly sized hex fasteners where that length and diameter are required; confirm thread pitch, required quantity, and compatibility with your header or manifold before ordering to ensure proper fit.
ARP 3/8 X 1.000in Hex Header Bolt Kit
