Evolution EP4S Rear Wheel 4-Piston Big Brake Kit Rotor Material & Design:Steel - Curved Slotted 8 kg per caliper without

8 kg per caliper without pads

and rear-corner clearance all need to be verified

and repeated downhill braking

Current rotor diameter

More mass and venting area than typical factory front rotors for greater thermal capacity

Evolution EP4S Rear Wheel 4-Piston Big Brake Kit Rotor Material & Design:Steel - Curved Slotted 8 kg per caliper withoutEvolution 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