AP Racing J-Hook Disc for Porsche 981 Cayman GT4 - 380x30mm Rear

AP Racing SKU: 13.01.20022

AP Racing J-Hook Disc for Porsche 981 Cayman GT4 - 380x30mm Rear

AP Racing SKU: 13.01.20022
Regular price $2,099.00
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Porsche 981 Cayman GT4 AP Racing J Hook 380x30mm Discs. Upgrade or replace your factory rotors by switching to slotted floating steel discs from AP Racing. Direct bolt-on for red calipers. Front Pair.


Fits the following models:

  • 2015-2016 981 GT4
  • 2020+ 718 Cayman GT4 & Boxster Spyder
  • 2013-2019 991.1 & 991.2 Turbo

Spare Hardware Kit: 13.04.40003 

Fits Essex/AP BBK: CP7672-102/103GA

Spare Iron Rings: 13.05.10022/23 (L/R)

Essex Designed AP Racing 2-Piece Competition J Hook Floating Brake Discs:

  • 380x34mm (14.96"x1.18")
  • Save nearly 4 lbs of unsprung weight per corner over stock OEM discs
  • 2-piece floating disc
  • Increased brake pad compound options (we carry 6 different compounds!)
  • Abuse these rotors lap after lap, with full confidence
  • Significantly Increases airflow, cooling capacity, and durability
  • 72 Cooling vanes (vs. 60 for OEM)
  • Replacement of iron rings (friction rings) to save significant costs (only $399ea.)
  • Works with OEM calipers and wheels, direct bolt-on
  • Anodized billet aluminum hat, w/float control, and anti-rattle clips

Weight Comparison:

380mm AP Racing J-Hook Iron Disc: 20.2 lbs (-3.8 lbs each, -7.6 lbs on rear axle)

380mm OEM Steel Disc: 24.0 lbs

Must use with 981 Cayman GT4 OEM Iron System Pad Shape (from Red Calipers). Available Pad compounds include:

  • PFC 11 - 7727.11.18.44
  • PFC 332 - 7727.331.18.44
  • Ferodo DS3.12 - FCP4665G
  • Ferodo DS1.11 - FCP4665W
  • Ferodo DS2500 - FCP4665H
  • Ferodo DSUNO - FCP4665Z

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