Essex AP Radi-CAL Front Competition Brake Kit WRX & STI (2002-2021)

Complete front AP Racing by Essex Radi-CAL Competition Brake Kit for the Subaru WRX STI:

• Features AP Racing CP9660 Radi-CAL six piston calipers
• 355x32mm, 72 vane AP Racing disc
• Eliminates approximately 10 lbs. of unsprung weight from the car's nose
• 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 OEM rear brakes