Complete rear AP Racing by Essex Radi-CAL Competition Brake Kit for Subaru WRX/STI 2008-2021
- Retains OEM parking brake functionality
- Features AP Racing CP9451 Radi-CAL four piston calipers
- 340x28mm 60 vane heavy duty AP Racing discs
- 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 our front Essex/AP Racing Competition BBK