Header Bolts 3/8-16 1" Uhl Hex Head Black Pack Of 12

when installing headers youwill need header bolts, factory exhaust manifold boltswon't work. These header bolts are made from grade 8 steel for strength. They are coated in 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.