Girodisc Porsche 718, 991.2, 992.1 Carrera Front Replacement Rings
Refresh the braking precision of your Porsche Carrera with Girodisc D1-203 350 mm front replacement rings. These precision-engineered rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Cast from Girodisc’s proprietary high-carbon iron alloy, they deliver enhanced cooling, consistent friction, and fade-free braking in both street and track environments.
Vehicle Fitment
Compatible with:
• Porsche 718 Cayman / Boxster S & GTS (Front)
• Porsche 991.2 Carrera / Carrera S (Front)
• Porsche 992.1 Carrera / Carrera S (Front)
Note: Designed exclusively for Girodisc 350 mm two-piece front rotor systems. Not compatible with OEM PCCB or one-piece iron rotors.
Features
• Sold as a left/right pair with complete floating hardware kit
• Direct replacements for Girodisc 350 mm two-piece front rotors
• CNC-machined from high-carbon cast iron for superior thermal stability
• Directional curved vanes enhance airflow and reduce heat buildup
• Maintains factory brake bias and ABS calibration
• Precision-balanced for vibration-free operation
• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands
Specifications
• Diameter: 350 mm
• Position: Front
• Material: High-carbon cast iron
• Mount type: Floating two-piece system
• Includes: Two rotor rings and complete hardware kit
• Sold/priced per pair
Girodisc D1-203 Porsche 718 / 991.2 / 992.1 Carrera Front Replacement Ring FAQs
Are these compatible with Porsche PCCB carbon-ceramic systems? No. The D1-203 rings are designed for Girodisc steel two-piece systems only and will not fit PCCB setups.
Do they fit both 718 and 992 Carrera models? Yes. They share identical rotor dimensions and fitment when using Girodisc hats designed for each chassis.
How do they compare to OEM rotors in performance? Girodisc rings provide improved cooling efficiency, reduced unsprung weight, and lower replacement cost over OEM options.
Are they quiet enough for street driving? Yes. The floating system is engineered for minimal noise during daily use while maintaining full race-level durability under heat.
Upgrade your Porsche 718, 991.2, or 992.1 Carrera with Girodisc D1-203 350 mm front replacement rings — precision-built for balanced braking, exceptional cooling, and long-term performance on road or track.
