Header Bolts, 3/8-16 x 1 Inch, Set/12

Heat-treated steel header bolts featuring 3/8"-16 x 1" threads, a hex head, and a zinc finish. Feature a flanged head and 7/16 inch hex for extra clearance for sockets or wrenches. These are great for headers where you cannot get a socket to clear the primary tubes and can still fit a wrench on the hex head. Sold a a set of 12 for popular Small Block Chevy, Big Block Chrysler, AMC V8, Pontiac V8, and Oldsmobile V8 engines. 1 inch length is best for use with headers with thick flanges or thick gaskets. For shorter header bolts check out our 3/8-16 x 3/4 Inch Header Bolts.