Aeroflow 3/8-16" Header Bolts 3/4" UHL Hex Head, Pack of 12

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When installing headers youwill need header bolts, factory exhaust manifold boltswon't work. These Aeroflow header bolts are made from Grade 8 steel for strength. They are coated i n a black oxide for protection and long-lasting durability. Each hex head is designed to take a7/16" spanner size. This compact hex head is ideal for use where space is minimal on most aftermarket header flanges. Show more