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The ARP header bolt kit contains 3/8 x 1.000-inch stainless steel hex bolts supplied as a header hardware set for exhaust/header flange fasteners. It’s packaged as a bolt kit intended to replace or upgrade header fasteners where this size and stainless steel construction are required. Use it when matching that exact 3/8 x 1.000 specification is needed for flange hardware.
ARP 3/8 x 1.000 SS Hex Header Bolt Kit
