Wilwood AERO4-MC4 rear axle kit upgrades rear brakes using the MC4 parking brake assembly alongside AERO4R calipers and 14.00" rotors. The components are matched to OEM master cylinder output and ABS to maintain correct bias, delivering improved stopping power, durability, and a high-tech look that complements big wheel and tire upgrades on custom and performance vehicles.
Wilwood AERO4 / MC4 Rear Kit 14.00 Currie Pro-Tour Unit Bearing Floater