Home » AP Racing Radi-CAL Competition Brake Kit (Rear 9661/355mm) - Porsche 991.1 and 991.2 GT3 and GT3RS
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AP Racing Radi-CAL Competition Brake Kit (Rear 9661/355mm) - Porsche 991.1 and 991.2 GT3 and GT3RS

In stock
$5,899.00
Add Brake Pads
Pad Tension Kit

Product details

  • Type Rear Brake Kit

Helpful Resources

Helmet Sizing Guide

Brake Reference Guide

Caliper Stud Cross Reference Chart

Features What's In The Box Instructions

Essex Designed AP Racing Radi-CAL Competition Brake Kit for the Porsche 991.1 and 991.2 GT3 and GT3RS:

  • Eliminates the need to remove the caliper for pad changes
  • Saves 15 unsprung lbs. vs. OEM iron brakes and weighs almost the same as the OEM PCCB system
  • AP Racing Radi-CAL with durable, ventilated stainless steel pistons (no ceramic piston caps to break) with anti-knockback springs
  • Huge array of brake pad options from all major pad manufacturers
  • Clears OEM 20" wheels without a spacer
  • 394x34mm, 84 vane AP Racing disc fits inside many popular 19" wheels
  • 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 or our Essex/AP Racing rear BBK