Essex Designed AP Racing Radi-CAL Competition Brake Kit Front 9661/355mm Porsche 718 | 981 Boxster S & Cayman S 2012-2021

$4,199.00

SKU: 13.01.10072 Categories: , , , ,

Description

Complete FRONT AP Racing by Essex Radi-CAL Competition Brake Kit fits all variants of the Porsche 981 (2013-2016) Boxster and Cayman, except for the GT4. Also fits 718 Boxster S & Cayman S.

Advantages Over OEM Brake System:

  • Eliminates the need to remove caliper for front pad change
  • Removes 2lbs. of unsprung weight compared to the OEM 981 Cayman S system, and 10 lbs. from the 718 OEM S system.
  • AP Racing Radi-CAL calipers are the stiffest, lightest, and most technologically advanced calipers available at any price
  • CP9661 calipers use a 18mm thick, 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 Temperatures equates to less rebuilding and longer service life
  • No dust boots to burn up
  • Simple pad change with two bolts or quick-change spring clip, 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, 72 vane, fully floating, AP Racing J Hook racing discs with 12 attachment points to hat
  • Anti-knockback/anti-rattle disc attachment hardware
  • Replacement iron disc rings available at an extremely competitive replacement price ($359 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

Package Includes:

  • One pair AP Racing CP9661 RADI-CAL PRO5000R racing calipers
  • One pair 355x32mm AP Racing CP5773, 72 vane, J Hook racing discs, with fully floating 6061 hard anodized aluminum hats and attachment hardware
  • One pair caliper mounting brackets and hardware
  • One pair Spiegler Stainless Steel Brake Lines with abrasion resistant coating
  • Detailed installation instructions
  • Brake pads are NOT included with our system. Racing brake pads are a highly personal choice. Many manufacturers include a set of inexpensive, low quality pads with their brake kits. Rather than artificially inflating the price of our system with a set of pads you probably don’t want anyway, we’ve decided to remove the cost from our system and allow our customers to choose the pads that best suit their needs/wants. When purchasing our kit, you are able to choose one set of front pads at a substantial discount vs. the retail price. Please use the drop-down menu to select your pads.
  • Pad Tension Clips (frequently referred to as anti-rattle clips) are NOT included with our Competition Kits, but we do offer them as an option if you’re concerned about NVH. One of the great benefits of the AP Racing calipers in our system is that they are designed to accommodate pads from a wide range of manufacturers. Each manufacturer builds their pads with specifications that are slightly different. As such, pads from different manufacturers, or even from different batches, won’t always fit in the calipers in exactly the same manner. Some pads are a snug fit, while others may rattle around and produce noise. The Essex Designed Pad Tension Kit is designed to dramatically reduce pad movement inside the caliper, along with just about all resulting noise.
    Please note that each caliper requires one Pad Tension Kit. If you need enough tension blocks for both of your calipers, you need to order two of these kits!

Features:

  • Features AP Racing CP9661 Radi-CAL six piston calipers
  • Eliminates need to remove caliper for pad change
  • Huge array of brake pad options from all major pad manufacturers
  • 355x32mm, 72 vane AP Racing disc
  • Saves 2 to 10 unsprung lbs. from nose vs. OEM S brakes depending on application
  • 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

Fitment:

  • Porsche 981 Boxster S & Cayman S (RADI-CAL PRO5000R) 2012-2016
  • Porsche 718 Boxster S & Cayman S (RADI-CAL PRO5000R) 2017-2021

Notes:

  • Fits OEM Wheels
  • Brake pads are NOT included in AP Racing by Essex Competition Kits
  • Designed for off-road/Track use

 

Proposition 65

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Who is AP Racing?

AP Racing has been part of the automotive industry for more than 50 years. It started back in 1920 by Edward Boughton, Willie Emmott, and Denis  Brock. They planned to import parts from the US to help maintain ex-military vehicles that were adapted for civilian use after Worl War 1. They later expanded their business by supplying parts for the British Motor Company.

Throughout the years, AP Racing has provided quality parts and specialized in clutches and brakes systems. Today, AP Racing has become one of the most recognized brands and has been well received by a lot of tuners, racers, and enthusiasts all around the globe.

AP Racing has participated in Motorsport racing and has helped produced race winners. As early as the 1930s they have already supplied parts for race cars in the British GP and have continued its tradition. In fact, it is being used by some of the best racing legends such as Jim Clark in his Lotus.

Continuous Innovation

AP Racing has always pushed itself in improving its products to create the best performing product in the market. It has helped jumpstart the development of brakes and clutch technology. The industry has come a long way from the time when brakes were made out of iron to the carbon ceramic composites of today alongside clutches capable of handling over 1000 horsepower.

Engine Notes
Porsche
Porsche
Porsche
Porsche

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