AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)
AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)

AP Racing

AP Racing by Essex Radi-CAL Comp Brake Kit - Rear CP9451 (15-21 WRX/STI)

SKU: 13.01.10127
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  • $4,599.00
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Advantages Over OEM Brake System

Our CP94X/340mm Radi-CAL Competition Brake Kit offers our customers the following advantages over the OEM brake system:

AP Racing Radi-CAL calipers are the stiffest, lightest, and most technologically advanced calipers available at any price

Calipers use a commonly available brake pad shape

Ventilated, domed back, stainless steel pistons keep heat out of the brake fluid and provide an ultra-firm pedal

Mitigation of pad knockback via anti-knockback springs behind the caliper pistons

Anodized caliper finish that is resistant to wear and deterioration at elevated temperatures

Stainless steel caliper hardware for a long caliper service life under frequent pad change conditions

High temperature, low drag seals that will hold up to track temps= less rebuilding and longer service life

No dust boots to burn up

Simple pad change with one bolt, no caliper removal required

Lifetime professional caliper rebuilding support by Essex (at a fee)- pull off your calipers, send them to us, we clean, inspect, and rebuild them

Available disc burnishing service ensures that your kit arrives ready to be installed and driven hard immediately

Championship winning, 60 vane, fully floating, AP Racing J Hook racing discs

Anti-knockback/anti-rattle disc attachment hardware

Replacement iron disc rings available at an extremely competitive replacement price ($329 each).

Disc metallurgy specifically designed to handle the temps typically seen on track offer a long service life

Highest quality, Spiegler stainless steel brake line with clear sheath that reduces compliance over OEM rubber design

Features

  • Retains OEM parking brake functionality
  • Features AP Racing CP94X Radi-CAL four piston calipers
  • 340x28mm, 60 vane AP Racing Discs with patented J Hook pattern
  • 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