Forged Dynapro Low-Profile Rear Electronic Parking Brake Kits provide a complete solution for popular muscle car rear axles on applicationsthat require a parking brake assembly. Forged billet Dynapro Low-Profile four-piston calipers, 11.00" or 12.19" one-piece hat and rotor assemblies and high friction pads provide optimized and balanced braking for all typesof custom performance street/strip and show machines. The unique Electronic Parking Brake caliper provides a static hightorque static holding power for parking. Supplied with control unit and harness assembly.