This system features the 4-piston, T4 caliper mounted to a 13", 1 piece slot, drill, zinc plated rotor. The T4 caliper has D.O.T compliant dust and weather seals and uses the popular D0749 pad type. All mounting brackets, stainless braided hoses and hardware are also included. The 13" Track4 is designed to fit most 17" or larger wheels. | Rotor Size/Type: 13" x 1.10", 1-piece | Replacement Rotors: 6910048 (Left) / 6920048 (Right) | Caliper/Piston Count/Mount Type: T4 / 4-piston / Radial | Replacement Pads: D0749R | Minimum Wheel Size: 17" (Use template to verify fitment, link below) | System Includes: Calipers, Brake pads, Rotors, Brackets, Stainless braided brake hoses & mounting hardware | Notes: Designed to be used with 1994-04 SN95 Mustang spindles and hubs Note: On 1979-93 Fox Mustang cars a master cylinder upgrade is recommended 1979-86 Cars - Use p/n 6800092 which includes a 15/16" bore master cylinder, 2 hard lines and fittings. This kit is a direct bolt on. 1987-93 Cars - Use p/n 6800096 which includes a 15/16" bore master cylinder, 3 hard lines and fittings. This kit is a direct bolt on designed to convert cars with a factory 3-port master cylinder, to a 2-port. | Applications: - 1994-04 Mustang (SN95) with OE spindles and hubs - 1979-93 Mustang (Fox) with 94-04 SN95 spindles and hubs