Nissan GT-R R35 GTR Carbon Ceramic Brake Discs 390+380mm

high-end inventory at Buy Mustang parts Ltd, the Nissan GT-R R35 Carbon Ceramic Brake (CCB) system—specifically the 390mm Front / 380mm Rear setup—is a premium asset. In the 2026 market, these are the “holy grail” for GT-R owners who find the standard steel rotors insufficient for heavy track use or high-power builds.

1. Technical Identification & Compatibility

This specific sizing (390mm Front / 380mm Rear) is the standard upgrade path for DBA (2012–2016) and EBA (2017–2024) models.

• Massive Weight Savings: A full CCB set removes approximately 28kg – 30kg (62 lbs) of unsprung rotating mass compared to OEM steel units. This significantly improves acceleration and suspension response.

• The “CBA” Retrofit: Owners of the early 2009–2011 (CBA) models, which came with 380mm front rotors, can use this 390mm kit but require caliper spacers to move the front Brembos outward to clear the larger diameter.

2. 2026 Market Value

Carbon ceramic parts have seen a price increase as OEM production has slowed.

3. Strategic Advice for Buy Mustang parts Ltd

• The “Nismo” Distinction: The factory GT-R Nismo uses an even larger 410mm front system. If you source the 390mm/380mm set, clarify that these are the “Brembo Upgrade” or “Track Edition” spec, not the 410mm Nismo spec, to avoid fitment disputes.

• Wheel Clearance: These 390mm rotors require 20-inch wheels. Some 19-inch “track” wheels may fit, but you should advise customers to check barrel clearance, as the caliper sits very close to the wheel inner rim.

• The “Corvette ZR1” Hack: In the GT-R community, some “budget” CCB kits use adapted Corvette C6 ZR1 rotors. While they are 394mm, they require custom hats. If you are selling a “Material Kit,” ensure the aluminum hats are specifically machined for the R35’s 5×114.3 hub.

4. Inspection & Verification (Crucial for Resale)

Unlike steel, carbon rotors do not “thin” significantly as they wear; they lose density.

• Weight Verification: The only way to truly verify the life of a used CCB rotor is to weigh it on a high-precision scale. Every rotor has a Minimum Weight (grams) stamped on the center hat. If the rotor is below this weight, it is scrap, regardless of how “thick” it looks.

• Surface “Pitting”: Look for “oxidation” or a rough, sandpaper-like texture on the surface. This happens if the rotors were overheated (typically above 600°C for extended periods). A healthy rotor should feel as smooth as glass.

• Edge Chipping: Carbon ceramic is extremely brittle. If a mechanic accidentally bangs a wheel against the edge of the rotor during a tire change, it can chip. Even a small chip can lead to a structural crack under high heat.