355x35mm Replacement Rotor Rings (D52)
When your Girodisc rotors reach the end of their service life, these Girodisc GD355.35.52 Replacement Rings are the perfect refresh. Designed for the D52 series 355x35mm two-piece rotor assemblies, this replacement set restores the braking performance and precision Girodisc is known for—without replacing your original aluminum hats.
Manufactured in the USA from Girodisc’s proprietary high-carbon cast iron alloy, these rotor rings deliver outstanding thermal capacity, reduced brake fade, and the durability demanded by high-performance driving and track use. They’re a direct bolt-on replacement using your existing Girodisc hats, saving cost while maintaining full performance and reliability.
Features and Benefits
- Direct replacements for Girodisc D52 355x35mm two-piece rotors
- Machined from proprietary high-carbon cast iron for superior heat resistance
- 48 curved directional vanes maximize airflow for consistent cooling
- Balanced and matched to OEM tolerances for vibration-free braking
- Includes all new drive pins, bolts, and washers
- Lightweight design minimizes unsprung mass while maximizing stopping power
- Made and machined entirely in the USA
Compatibility
Designed exclusively for Girodisc D52 355x35mm rotor assemblies. These rings are only compatible with Girodisc aluminum hats. They are not designed to fit OEM or other aftermarket two-piece rotor systems.
Why Choose Girodisc
Girodisc rotors are precision-engineered to perform under the most demanding conditions. Every component is CAD-modeled, CNC-machined, and track-tested to deliver exceptional performance, fade resistance, and thermal stability. When it’s time to refresh your setup, Girodisc replacement rings give you the braking feel and control of a brand-new system—without the added cost of new hats.
FAQs
Do these include the aluminum hats?
No. The GD355.35.52 kit includes only the rotor rings and new hardware. Your existing Girodisc hats are reused.
Are these compatible with OEM rotors?
No. Girodisc replacement rings are engineered specifically for Girodisc hats and will not fit OEM or other aftermarket rotor systems.
What’s included in the box?
A pair of 355x35mm rotor rings (left and right) and a complete hardware kit including drive pins, bolts, and washers.
Are these rotors directional?
Yes. Each ring features curved internal vanes optimized for airflow and cooling. Be sure to install them on the correct sides for maximum performance.
Ready to Refresh Your Brakes?
Restore your Girodisc system to peak performance with the GD355.35.52 355x35mm Replacement Rings. Designed for precision, strength, and cooling efficiency, they’re the ultimate choice for maintaining the world-class braking feel you expect from Girodisc. Order your set today from Competition Motorsport and get back to braking perfection.
