This Ford Racing lug nut kit supplies five 1/2 in.-20 plated steel cone-seat open lug nuts engineered for 2005–2014 Mustang applications and many other 1/2 in.-20 wheel setups. The open-ended design accommodates long wheel studs, uses a 13/16 in. hex, and serves as a service replacement associated with Mustang FR500S and BOSS 302S race car components.
Ford Racing 05-14 Mustang 1/2in -20 Thread Cone Seat Open Lug Nut Kit (5 Lug Nuts)