AERO4 Big Brake Dynamic Rear Electronic Parking Brake Kits provide the ultimate Big Brake solution for Super Car rear axles an integrated electronic parking brake. Aero4 four piston calipers, 15” Dynamic Lug Mount rotors, and high performance BP compound pads, provide optimized and balanced braking to compliment front big brake upgrades. The unique Electronic Parking Brake caliper provides a static high torque static holding power for parking without mechanical cabling. Supplied with control unit and harness assembly, it simplifies installation and use. Optional caliper finishes and rotor designs enable the builder to personalize the style and optimize brake performance for every individual application.