Essex AP Racing Radi-CAL Competition Brake Kit (Rear CP9451/340mm) E46 M3

Complete rear Essex Designed AP Racing Radi-CAL Competition Brake Kit for the e46 M3.

• Retains OEM parking brake functionality
• Features AP Racing CP9451 Radi-CAL four piston calipers
• 340x28mm, 60 vane AP Racing disc
• Saves 14 unsprung lbs. from tail vs. OEM brakes
• Every component designed to resist the heat of extended track sessions
• Pistons sized properly to allow for seamless integration with OEM master cylinder and ABS system
• Designed to work with both of our front Essex/AP Racing Competition BBKs