Service replacement part for the Mustang FR500S BOSS302S race car Fits 2005-2014 Mustang V6, BOSS, GT, Shelby GT500 Equipped with ARP Front Wheel Studs M-1107-A Kit Includes: One Pair of Upgrade Hubs with 3-inch ARP studs New hub nut 3" ARP Stud Specifications: Wheel Stud Style Press-in Thread Size 1/2-20 RH in. Knurl Diameter 0.549 in. Under head Length (in) 3.315 in. NOTE: For replacement open end wheel lug nuts see M-1012-G