Evolution EP4S Rear Wheel 4-Piston Big Brake Kit Rotor Material & Design:Steel - Curved Slotted and repeated downhill braking

and repeated downhill braking

Current rotor diameter

and wear tradeoffs that come with a true competition pad

Caliper mounting uses radial mount with vehicle-specific brackets

Evolution EP4S Rear Wheel 4-Piston Big Brake Kit Rotor Material & Design:Steel - Curved Slotted and repeated downhill brakingEvolution Series Rear Axle EPB Compatible BBK Evolution EP4S Rear Big Brake Kit with Electronic Parking Brake The Evolution EP4S is a rear axle big brake kit built for modern platforms that still require an electronic parking brake. Four hydraulic service pistons handle stopping work, while a dedicated EPB actuator piston preserves factory parking brake function so you get real rear axle thermal capacity without losing OE convenience. Why Builders