The Wilwood AERO4-MC4 rear axle kit replaces factory rear discs and uses the MC4 parking brake assembly for 2015–2023 Mustang applications. It pairs high-capacity AERO4R calipers, BP-10 compound pads, and oversized 14.00" rotors matched to OE master cylinder output and ABS bias. The kit supports upgraded wheels, tires and suspension while increasing braking durability and style on late-model performance vehicles.
Wilwood AERO4 / MC4 Rear Kit 14.00 Red 15-23 Mustang w/Lines & Cables