These bolts are manufactured from heat treated 8740 chrome moly steel with a black oxide finish, and feature traditional hex style heads. Each bolt is size 1/4-20 with an under head length of .515, and the set of 8 bolts comes complete with premium-quality washers Bolts are size 1/4-20 with an under head length of ., 515 Set of 8 bolts comes complete with premium-quality washers Professional quality bolts help ensure proper sealing of valve covers Stamped Steel Cover Fasteners ARP, Valve Cover Bolt Kit, Black Oxide, Hex, 8 Pack Valve Cover Bolt Set With Washers Black Oxide Finish - What is it, How is it Made, What Does it do Heads are traditional hex style ARP takes extraordinary steps to produce the very finest products of their kind on the market today. Cover, Oil Pan & Bracket Fasteners - Brian Tooley Racing Manufactured from black oxide finished chrome moly steel
