Front Wilwood DynaPro 6 Brake System with 12.19″ Rotors (.81″ thick) and 6 Piston Calipers (Red or Black) for 5 x 5.5″ lug patterns. This is a great solution for customers that wish to utilize stock lug pattern wheels with the Ridetech 1965-1979 F-100 front suspension system. This kit comes with a Ridetech exclusive hub to accept OE lug pattern. It fits most 15″ wheels, verify fitment with template.