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AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Front CP9661/372mm)- Porsche 911 and Boxster/Cayman
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Front CP9661/372mm)- Porsche 911 and Boxster/Cayman
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Front CP9661/372mm)- Porsche 911 and Boxster/Cayman
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Front CP9661/372mm)- Porsche 911 and Boxster/Cayman
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Front CP9661/372mm)- Porsche 911 and Boxster/Cayman
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Front CP9661/372mm)- Porsche 911 and Boxster/Cayman

AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Front CP9661/372mm)- Porsche 911 and Boxster/Cayman

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UGC 13.01.10096-ENP-STD-STD-STD
$5,549.00 - $6,274.00
$5,549.00
$5,549.00 - $6,274.00
$5,549.00
Add Brake Pads: Standard
Add Pad Tension Kit (reduces pad rattle): Standard
Discs Pre-burnished/bedded in Ferodo Pad Compound (+2 to 5 Day lead time): Standard
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Complete front AP Racing by Essex Radi-CAL Competition Brake Kit for various 2005+ 911 and 2013+ Boxster/Cayman models.

  • Features AP Racing CP9661 Radi-CAL six piston calipers
  • No unsprung weight penalty vs. several OEM Porsche brake packages despite the additional pistons (6 vs. 4) and much larger disc
  • Saves 3-4 unsprung lbs. per corner vs. OEM 991 Base/T brakes despite huge size increase (330mm --> 372mm)
  • Shaves over 25 lbs. off the front axle vs the 992 Turbo / GTS iron brakes
  • Huge array of brake pad options from all major pad manufacturers
  • 372x34mm, 72 vane AP Racing disc
  • 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 brake kits

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 104 applications
Boxster
Make Model Engine Years
Porsche 718 Boxster GTS 4.0 Iron disc 2021–2023
Porsche 718 Boxster GTS 4.0 Iron Disc 2024–2025
Porsche 718 Boxster GTS 4.0 with PCCB 2021–2025
Porsche 718 Boxster GTS Iron disc 2018–2019
Porsche 718 Boxster GTS with PCCB 2018–2019
Porsche 718 Boxster Iron disc 2017–2023
Porsche 718 Boxster Iron Disc 2021–2025
Porsche 718 Boxster S Iron disc 2017–2023
Porsche 718 Boxster S Iron Disc 2024–2025
Porsche 718 Boxster S with PCCB 2017–2025
Porsche 718 Boxster T Iron disc 2020–2023
Porsche 718 Boxster T with PCCB 2020–2023
Porsche 718 Boxster with PCCB 2017–2025
Porsche Boxster Black Edition Iron disc 2016–2016
Porsche Boxster Black Edition with PCCB 2016–2016
Porsche Boxster GTS Iron disc 2014–2016
Porsche Boxster GTS with PCCB 2014–2016
Porsche Boxster Iron disc 2015–2016
Porsche Boxster Iron Disc 2013–2014
Porsche Boxster S / GTS Iron disc 2015–2015
Porsche Boxster S / GTS with PCCB 2015–2015
Porsche Boxster S Iron disc 2013–2016
Porsche Boxster S with PCCB 2013–2016
Porsche Boxster Spyder Iron disc 2016–2016
Porsche Boxster Spyder with PCCB 2016–2016
Porsche Boxster with PCCB 2013–2016
Cayman
Make Model Engine Years
Porsche 718 Cayman GTS 4.0 Iron disc 2021–2023
Porsche 718 Cayman GTS 4.0 Iron Disc 2024–2025
Porsche 718 Cayman GTS 4.0 with PCCB 2021–2025
Porsche 718 Cayman GTS Iron disc 2018–2019
Porsche 718 Cayman GTS with PCCB 2018–2019
Porsche 718 Cayman Iron disc 2017–2023
Porsche 718 Cayman Iron Disc 2024–2025
Porsche 718 Cayman S Iron disc 2017–2023
Porsche 718 Cayman S Iron Disc 2024–2025
Porsche 718 Cayman S with PCCB 2017–2025
Porsche 718 Cayman T Iron disc 2020–2023
Porsche 718 Cayman T with PCCB 2020–2023
Porsche 718 Cayman with PCCB 2017–2025
Porsche Cayman GTS Iron disc 2014–2016
Porsche Cayman GTS with PCCB 2014–2016
Porsche Cayman Iron disc 2015–2016
Porsche Cayman Iron Disc 2014–2014
Porsche Cayman S Iron disc 2014–2016
Porsche Cayman S with PCCB 2014–2016
Porsche Cayman with PCCB 2014–2016
911
Make Model Engine Years
Porsche 911 Carrera 2 Iron disc 2008–2011
Porsche 911 Carrera 2 Type 997 2005–2005
Porsche 911 Carrera 2 with PCCB 2010–2011
Porsche 911 Carrera 2S Iron disc 2005–2011
Porsche 911 Carrera 2S with PCCB 2006–2011
Porsche 911 Carrera 4 & Targa 4 Iron disc 2009–2020
Porsche 911 Carrera 4 & Targa 4 Iron Disc 2021–2024
Porsche 911 Carrera 4 & Targa 4 with PCCB 2010–2019
Porsche 911 Carrera 4 991, Iron disc 2012–2012
Porsche 911 Carrera 4 991, with PCCB 2012–2012
Porsche 911 Carrera 4 GTS & Targa 4 GTS Iron disc 2016–2019
Porsche 911 Carrera 4 GTS & Targa 4 GTS with PCCB 2016–2019
Porsche 911 Carrera 4 GTS Iron disc 2011–2015
Porsche 911 Carrera 4 GTS Iron disc, Centerlock 2011–2011
Porsche 911 Carrera 4 GTS with PCCB 2011–2015
Porsche 911 Carrera 4 GTS with PCCB, Centerlock 2011–2011
Porsche 911 Carrera 4 Iron disc 2013–2013
Porsche 911 Carrera 4 with PCCB 2013–2013
Porsche 911 Carrera 4S & Targa 4S Iron disc 2007–2020
Porsche 911 Carrera 4S & Targa 4S Iron Disc 2021–2024
Porsche 911 Carrera 4S & Targa 4S with PCCB 2007–2019
Porsche 911 Carrera 4S 991, Iron disc 2012–2012
Porsche 911 Carrera 4S 991, with PCCB 2012–2012
Porsche 911 Carrera 4S Iron disc 2006–2013
Porsche 911 Carrera 4S with PCCB 2006–2013
Porsche 911 Carrera 991, Iron disc 2012–2012
Porsche 911 Carrera 991, with PCCB 2012–2012
Porsche 911 Carrera GTS 997, Iron disc 2012–2012
Porsche 911 Carrera GTS 997, Iron disc, centerlock 2012–2012
Porsche 911 Carrera GTS 997, with PCCB 2012–2012
Porsche 911 Carrera GTS 997, with PCCB, centerlock 2012–2012
Porsche 911 Carrera GTS Iron disc 2011–2019
Porsche 911 Carrera GTS Iron disc, Centerlock 2011–2011
Porsche 911 Carrera GTS with PCCB 2011–2019
Porsche 911 Carrera GTS with PCCB, Centerlock 2011–2011
Porsche 911 Carrera Iron disc 2013–2020
Porsche 911 Carrera Iron Disc 2021–2024
Porsche 911 Carrera S 991, Iron disc 2012–2012
Porsche 911 Carrera S 991, with PCCB 2012–2012
Porsche 911 Carrera S Iron disc 2013–2020
Porsche 911 Carrera S Iron Disc 2021–2024
Porsche 911 Carrera S with PCCB 2013–2019
Porsche 911 Carrera T Iron disc 2018–2019
Porsche 911 Carrera T Iron Disc 2023–2024
Porsche 911 Carrera T with PCCB 2018–2019
Porsche 911 Carrera with PCCB 2013–2019
Porsche 911 Turbo Iron disc 2007–2011
Porsche 911 Turbo S with PCCB 2010–2011
Porsche 911 Turbo with PCCB 2008–2011
997 911
Make Model Engine Years
Porsche 911 Carrera 4 GTS (997) Iron disc 2012–2012
Porsche 911 Carrera 4 GTS (997) Iron disc, Centerlock 2012–2012
Porsche 911 Carrera 4 GTS (997) with PCCB 2012–2012
Porsche 911 Carrera 4 GTS (997) with PCCB, Centerlock 2012–2012
Porsche 911 Turbo (997) Iron Disc 2012–2012
Porsche 911 Turbo (997) with PCCB 2012–2012
Porsche 911 Turbo S (997) with PCCB 2012–2012
992 911
Make Model Engine Years
Porsche 911 Carrera (992.2) Iron Disc 2025–2026
Porsche 911 Carrera T (992.2) Iron Disc 2025–2026

Fitment data last updated: 2026-04-27

Fits 104 vehicle applications Check vehicle fitment before ordering View fitment

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