Evolution EP4S Rear Wheel 4-Piston Big Brake Kit Rotor Material & Design:Steel - Curved Slotted The ES6 is engineered for

The ES6 is engineered for firmer pedal feel

and repeated downhill braking

compatible ceramic-compound pads

Current rotor diameter

Racing Piston Service Note

Evolution EP4S Rear Wheel 4-Piston Big Brake Kit Rotor Material & Design:Steel - Curved Slotted The ES6 is engineered forEvolution 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