PFC Rear Brake Caliper Rebuild Kit – Porsche 991 GT3 Cup / 981 / 718 Clubsport

$550.00

Complete rear brake caliper rebuild kit for Porsche 991 GT3 Cup, 981 Cayman GT4 Clubsport and 718 Cayman GT4 Clubsport.

Includes PFC replacement pistons and piston seals plus Porsche Motorsport anti-knockback springs to rebuild one rear caliper.

Porsche Motorsport Service References:
9913529598A – Pistons
9913529608A – Piston Seals
9913529638A – Anti-Knockback Springs

One kit services one rear caliper. Order quantity 2 for both rear calipers.

2 in stock (can be backordered)

Description

Rear Brake Caliper Rebuild Kit – Porsche 991 GT3 Cup / 981 / 718 Clubsport

Complete rear brake caliper rebuild kit for Porsche 991 GT3 Cup, 981 Cayman GT4 Clubsport and 718 Cayman GT4 Clubsport.

This kit includes PFC replacement pistons and piston seals along with Porsche Motorsport anti-knockback springs, providing the major service components needed to rebuild one rear brake caliper.

One kit services one rear caliper. Order quantity 2 to rebuild both rear calipers.

Complete Rear Caliper Rebuild Kit

Cup and Clubsport brake calipers operate under extreme temperatures, high loads and repeated heat cycles. Over time, pistons, seals and anti-knockback components can wear or become damaged and require replacement.

These race calipers are serviceable, allowing worn internal components to be replaced rather than requiring replacement of the complete caliper assembly.

Demon Speed combines the primary rear caliper service components into one convenient rebuild kit.

Kit Includes

Each rear caliper rebuild kit includes:

  • PFC rear caliper pistons
  • PFC rear caliper piston seals
  • Porsche Motorsport anti-knockback springs

The kit contains the components required to service one rear brake caliper.

Porsche Motorsport Service Part References

For reference, Porsche Motorsport lists the following individual service components for the original rear brake caliper:

9913529598A – Rear Brake Piston Repair Kit
9913529608A – Rear Brake Piston Seal Repair Kit
9913529638A – Rear Anti-Knockback Spring Repair Kit

The Demon Speed rebuild kit uses PFC replacement pistons and seals along with Porsche Motorsport anti-knockback springs.

The PFC pistons and seals are not Porsche Motorsport branded components. The PFC replacement pistons use a different coating than the Porsche Motorsport piston kit. The Porsche Motorsport piston and seal part numbers above are provided for application and cross-reference purposes.

The included anti-knockback springs are Porsche Motorsport components, corresponding to Porsche Motorsport Part Number 9913529638A.

Applications

This rear caliper rebuild kit fits:

  • Porsche 991 GT3 Cup
  • Porsche 981 Cayman GT4 Clubsport
  • Porsche 718 Cayman GT4 Clubsport

Why Rebuild the Caliper?

A complete race caliper is an expensive component. When the caliper body and other major components remain serviceable, rebuilding the caliper allows worn internal components to be replaced while retaining the existing caliper assembly.

A caliper rebuild may be appropriate during scheduled brake-system maintenance or when inspection identifies worn or damaged pistons, seals or anti-knockback components.

During service, the caliper body, piston bores, bleed screws and other hardware should also be inspected and serviced or replaced as required.

One Kit Services One Caliper

One rebuild kit services one rear brake caliper.

For a complete rear axle rebuild:

Order quantity 2.

The kit is sold per caliper, not per axle.

Features

  • Complete rear brake caliper rebuild kit
  • PFC replacement caliper pistons
  • PFC replacement piston seals
  • Porsche Motorsport anti-knockback springs
  • Fits Porsche 991 GT3 Cup
  • Fits Porsche 981 Cayman GT4 Clubsport
  • Fits Porsche 718 Cayman GT4 Clubsport
  • Convenient package of the primary rear caliper service components
  • Allows servicing of an otherwise serviceable race caliper
  • Porsche Motorsport service part numbers provided for reference
  • One kit services one rear caliper
  • Order quantity 2 to rebuild both rear calipers

Fitment

Porsche 991 GT3 Cup – Rear
Porsche 981 Cayman GT4 Clubsport – Rear
Porsche 718 Cayman GT4 Clubsport – Rear

One kit services one rear caliper.

Additional information

Weight 2 lbs
Dimensions 5 × 5 × 5 in

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