1991-2003 Sportster Polished Grade 8 ARP Stainless Case Bolt Kit

These polished high strength stainless case bolts fit the 1991-2003 Harley Sportster engines. There are (8) 5/16 ARP 12 point bolts and washers.

These bolts are manufactured from custom 450 Stainless, heat treated to 180,000 psi, centerless ground, and roll threaded with a UNJ3A thread after heat treating.

They have a 3/8 12 point head and a .625 flange diameter.