Easily upgrade your Mustang II based suspension from the stock 9-1/4" rotors to 11" rotors with powerful single piston GM midsize floating calipers. Kit requires no machining. For use on 1974-1980 Pinto, Bobcat and Mustang II factory spindles.
GM bolt pattern 5 on 4-3/4" (increases track width 1" per side). Includes two 16" front brake hoses and 7/16"-20 banjo bolts with crush washers.
910-31943 Instructions (PDF)
Note: When the caliper bracket is affixed to the spindle properly so that the bracket is square to the spindle and brake rotor face for proper caliper alignment and installation, the welded roid that features female threads in the caliper bracket will be offset inboard or towards the centerline of the vehicle in relation to the centerline of the caliper bracket plate.