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AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Rear CP9450/340mm)- Porsche 718 GTS 4.0 Cayman & Boxster
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Rear CP9450/340mm)- Porsche 718 GTS 4.0 Cayman & Boxster
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Rear CP9450/340mm)- Porsche 718 GTS 4.0 Cayman & Boxster
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Rear CP9450/340mm)- Porsche 718 GTS 4.0 Cayman & Boxster
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Rear CP9450/340mm)- Porsche 718 GTS 4.0 Cayman & Boxster
AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Rear CP9450/340mm)- Porsche 718 GTS 4.0 Cayman & Boxster

AP Racing by Essex Radi-CAL ENP Competition Brake Kit (Rear CP9450/340mm)- Porsche 718 GTS 4.0 Cayman & Boxster

AP RACING
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Ships same or next business day

SKU 13.01.10165-ENP-STD-STD-STD
$5,049.00 - $5,539.00
$5,049.00
$5,049.00 - $5,539.00
$5,049.00
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CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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 rear AP Racing by Essex Radi-CAL Competition Brake Kit (Rear CP9450/340mm) for the Porsche 718 GTS 4.0 Cayman & Boxster.

  • Retains OEM parking brake functionality
  • Shaves approximately 16 lbs. of unsprung weight from rear of the car
  • Features AP Racing CP9450 Radi-CAL four piston calipers
  • 340x28mm 48 vane heavy duty AP Racing discs
  • 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 complement our front 718 GTS 4.0 Essex/AP Racing Radi-CAL Competition BBK

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 6 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
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

Fitment data last updated: 2026-04-27

Fits 6 vehicle applications Check vehicle fitment before ordering View fitment

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