Girodisc 380x35mm Replacement Rotor Rings (D52)
Need new rings for your Brembo or StopTech big brake kit? Girodisc has you covered. These 380x35mm replacement rings are 100% plug-and-play with your existing aluminum hats, offering a perfect fit and race-proven performance. Each set includes new floating pin hardware for a complete refresh of your braking system.
Vehicle Fitment
These Girodisc 380x35mm replacement rings fit a variety of big brake kits using 380x35mm rotors, including systems from Brembo, StopTech, and other performance brands. Verify your original rotor size and hat configuration before ordering to ensure compatibility.
Note: These are replacement friction rings only and must be installed on existing Girodisc or compatible aluminum hats using the included hardware.
Precision Engineering, Made in the USA
The rotor rings are machined from Girodisc’s proprietary high-carbon cast iron, poured and finished in-house in the USA. Each rotor utilizes 72 curved directional vanes, engineered to act as a centrifugal air pump that pulls cooling air through the disc to lower operating temperatures and prevent fade during extreme braking. Whether on the street or at the track, Girodisc ensures consistent braking, superior pedal feel, and unmatched thermal control.
Features
• Direct-fit replacement for 380x35mm Girodisc, Brembo, and StopTech applications
• Includes two new floating hardware kits
• 72 curved vanes for maximum cooling efficiency
• Proprietary high-carbon iron for strength and crack resistance
• Machined, balanced, and finished in the USA
• Bolt-on installation with existing hats
• Sold/priced per pair
Specifications
• Diameter: 380mm
• Thickness: 35mm
• Vane Count: 72 curved directional
• Position: Front or rear, depending on application
• Includes: Two rotor rings and two complete hardware kits
• Made in the USA
• Sold/priced per pair
Girodisc GD380.35.52 Replacement Ring FAQs
Will these fit my Brembo or StopTech big brake kit? Yes — these are a direct bolt-on for systems using 380x35mm rotors and compatible aluminum hats.
Do the rings come with new hardware? Yes. Each pair includes two complete hardware kits with new floating pins, bolts, and washers.
Do I need to buy new hats? Not unless your existing hats are damaged. Girodisc rings are designed for re-use with your current hats to save cost and installation time.
Can these be used for track driving? Absolutely. Girodisc’s 72-vane cooling design and proprietary iron alloy make these ideal for high-heat track conditions and extended endurance use.
Rebuild your Brembo or StopTech big brake kit with confidence using Girodisc GD380.35.52 380x35mm replacement rings — precision-built, track-tested, and proudly made in the USA.
