D1-232 Girodisc Nissan GT-R (2012+) 390mm Front Replacement Rings

Bring your R35 GT-R’s braking system back to peak performance with Girodisc D1-232 390mm front replacement rings. These precision-machined components bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Each ring is cast from Girodisc’s proprietary high-carbon iron alloy, delivering exceptional cooling, consistent friction, and fade-free performance even under intense track conditions.
Vehicle Fitment
Compatible with:
• Nissan GT-R (R35, 2012+, front)
• Fits Premium, Black Edition, Track Edition, and NISMO trims
Note: Designed for Girodisc 390mm two-piece front rotor systems only. Not compatible with OEM or aftermarket one-piece rotors.
Features
• Sold as a left/right pair with complete floating hardware kit
• Direct replacements for Girodisc 390mm two-piece front rotors
• CNC-machined from high-carbon cast iron for optimal heat dissipation
• Directional curved vanes improve airflow and braking consistency
• Maintains factory brake bias and ABS calibration
• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands
Specifications
• Diameter: 390mm
• Position: Front
• Material: High-carbon cast iron
• Mount type: Floating two-piece design
• Includes: Two rotor rings and new hardware kit
• Sold/priced per pair
Girodisc D1-232 Nissan GT-R Front Ring FAQs
Do these fit OEM GT-R rotor hats? No. These are engineered specifically for Girodisc hats and will not bolt to factory or other aftermarket hats.
Are they compatible with factory calipers? Yes. They maintain OEM brake geometry and clearances for the standard Brembo calipers found on all R35 trims.
How do these compare to OEM rotors? Girodisc rings are lighter, dissipate heat faster, and reduce the risk of cracking or warping under repeated high-speed stops.
Are they track-proven? Absolutely. The D1-232 rings are used on GT-Rs competing in endurance and time-attack racing worldwide, offering unmatched consistency.
Upgrade your Nissan GT-R’s braking system with Girodisc D1-232 390mm front replacement rings — precision-engineered for extreme performance, cooling efficiency, and durability on both street and circuit.