AP Racing Radi-CAL 365mm Competition Brake Kit Porsche (Rear) 1 "a"

$7,322.00

Caliper Finish

Upgrade to Ferodo Brake Pads

AP Racing Radi-CAL 365mm Competition Brake Kit Porsche (Rear)

$7,322.00

Caliper Finish

Upgrade to Ferodo Brake Pads

AP Racing Radi-Cal 365mm Competition Brake Kit for Porsche (Rear)

AP Racing brake system with Radi-Cal branding, featuring a 4 piston rear kit, 365x30mm discs, and 16.7mm thick FRP3018 pads.

AP Racing brake caliper with Radi-Cal branding, showing anodized finish and key specifications.

Fit The Following Cars

  • Porsche 991 Carrera S/4S/GTS (PCCB and Iron Rotors)

Complete front AP Racing Radi-Cal Competition Brake Kit for Porsche 991 911 S/4S/GTS features;

  • Features AP Racing Radi-Cal 9449 calipers 
  • Jewel-like ENP Caliper finish is incredibly durable and easy to clean
  • 365x30mm iron discs are resilient under heavy track use, and replacements cost one tenth of PCCB ($600 vs. $6,000 per disc)
  • Shaves up to  9lbs. off the rear axle vs oem iron brakes
  • Only adds approximately one pound per side of unsprung weight vs. the OEM PCCB setup
  • Fits inside 19" wheels, which the OEM PCCB discs cannot do, allowing for additional unsprung weight reduction plus improved tire options
  • Our AP Racing Radi-Cals feature a removable bridge, making pad swaps far faster and easier than stock calipers
  • Commonly available AP Racing pad shapes provide a wide selection of brake pad choices to tailor system feel and performance
  • Removing the stock calipers and PCCB discs allows them to be preserved undamaged, retaining the vehicle's future resale value
  • AP systems typically trade hands on the used market at 65% or more of their original MSRP, lowering the long-term cost of ownership. Use them for a few years and recoup a large portion of your initial investment.
  • Designed to work with our matching Front Radi-Cal brake kit.

The Ultimate Auto Racing Helmet Buyer's Guide

We’ve sold tens of thousands of helmets here at Competition Motorsport and, in the process of doing that, answered a million questions (probably) about them. With that in mind, this article will give you the real lowdown on selecting a proper auto racing helmet. We’ll go over the why’s and how’s of size, shape, certification, pricing, features, and maintenance so you have the tools you need to select the perfect helmet.

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