Girodisc Mercedes 402mm Front Rings

Upgrade your Mercedes-AMG’s braking performance with Girodisc D1-207 402mm front replacement rings. These precision-engineered rings mount directly to your existing Girodisc aluminum hats using the included floating hardware kit. Each ring is machined from high-carbon cast iron for exceptional durability, improved heat dissipation, and fade-free braking during spirited driving or track use.
Vehicle Fitment
Compatible with:
• Mercedes-AMG GT / GT S / GT C / GT R (Front)
• Mercedes-AMG E63 / CLS63 (W213, C218 Front)
• Mercedes-AMG S63 (W222 Front, Iron Rotor Conversion)
Note: Designed exclusively for Girodisc 402mm two-piece front rotor systems. Not compatible with OEM one-piece or carbon-ceramic rotors.
Features
• Sold as a left/right pair with complete floating hardware kit
• Direct replacements for Girodisc 402mm two-piece front rotors
• CNC-machined from high-carbon cast iron for maximum heat capacity and consistent performance
• Directional curved vanes enhance airflow and cooling efficiency
• Maintains OEM 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: 402mm
• Position: Front
• Material: High-carbon cast iron
• Mount type: Floating two-piece system
• Includes: Two rotor rings and new hardware kit
• Sold/priced per pair
Girodisc D1-207 Mercedes 402mm Front Ring FAQs
Do these fit OEM Mercedes or AMG rotor hats? No. These rings are specifically engineered for Girodisc aluminum hats and will not mount to OEM or carbon-ceramic assemblies.
Are they compatible with factory AMG calipers? Yes. They maintain exact OEM rotor dimensions and offset for perfect alignment with AMG multi-piston calipers.
Can these be used for extended track sessions? Absolutely. The high-carbon alloy and curved vane design are optimized for continuous high-temperature performance without fade.
Do these rotors make noise during street driving? No. The floating system is designed with tight tolerances to prevent clatter while allowing proper heat expansion under load.
Enhance your Mercedes-AMG’s stopping power with Girodisc D1-207 402mm front replacement rings — precision-built for strength, cooling efficiency, and endurance on both street and circuit.