These polished high strength stainless case bolts fit the 2004-2010 Harley Sportster engines. These bolts still have the ARP logos on the heads.
There are (15) 5/16 ARP 12 point Bolts and Washers with this kit. 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.
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