Imagine the stopping power of 4 wheel disc brakes on your early Mustang! This kit will upgrade your Ford 9” rear drum brakes to disc brakes. Manufactured from new high quality parts, with all hardware needed to complete the conversion. Kit includes late model Mustang single-piston 45mm calipers with a built in parking brake. 10.5" rotor. Must use adjustable proportioning valve (sold separately). Please specify year and model of car when ordering to determine axle splines and housing size for proper kit selection. Please call for assistance. Note, bolt pattern on Ford large bearing is different than that on Ford Torino large bearing.