GiroDisc Racing Brakes & Technologies
Girodisc D1-224 Alfa Romeo Giulia / Stelvio Quadrifoglio Front Replacement Rings
$880.00
D1-224 Girodisc Alfa Romeo Giulia, Stelvio QV Front Replacement Rings
Enhance the precision and consistency of your Alfa Romeo Quadrifoglio’s braking system with Girodisc D1-224 380 mm front replacement rings. These high-performance rings bolt directly to your existing Girodisc aluminum hats using the included floating hardware kit. Cast from Girodisc’s proprietary high-carbon iron alloy, they deliver excellent heat management, reduced fade, and consistent pedal feel during aggressive street or track driving.
Vehicle Fitment
Compatible with:• Alfa Romeo Giulia Quadrifoglio (2017+) – front axle• Alfa Romeo Stelvio Quadrifoglio (2018+) – front axleNote: Designed exclusively for Girodisc 380 mm 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 380 mm two-piece front rotors• CNC-machined from high-carbon cast iron for durability and thermal stability• Directional curved vanes maximize airflow and heat dissipation• Maintains factory brake bias and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands
Specifications
• Diameter: 380 mm• 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 D1-224 Alfa Romeo Giulia / Stelvio QV Front Replacement Ring FAQs
Are these compatible with the factory carbon-ceramic brake option? No. The D1-224 rings are designed for steel Girodisc two-piece systems only and will not fit the OEM carbon-ceramic setup.
Will these rings change pedal feel or braking balance? Not at all. They maintain factory brake bias and deliver a firmer, more consistent pedal feel thanks to the floating rotor design.
Can I use these for both daily driving and track days? Yes. They’re quiet and smooth on the street but engineered to handle repeated high-temperature stops during spirited or track use.
Do these require special installation or bedding procedures? Standard bedding is recommended — gradually heating the pads and rotors through a few controlled stops ensures even pad transfer and optimal braking performance.
Upgrade your Alfa Romeo Giulia or Stelvio Quadrifoglio with Girodisc D1-224 380 mm front replacement rings — precision-engineered for cooling, longevity, and repeatable braking performance on road or track.
GiroDisc Racing Brakes & Technologies
Girodisc D2-159 McLaren 380mm Rear Replacement Rings
$950.00
D2-159 Girodisc McLaren 380mm Rear Replacement Rings
Refresh the braking performance of your McLaren with Girodisc D2-159 380mm rear replacement rings. These are direct-fit replacements for Girodisc two-piece rear rotors, designed to bolt to your existing aluminum hats using the included floating hardware kit. Replace only the wear surface and maintain your lightweight, high-performance Girodisc setup.
Vehicle Fitment
Compatible with:• McLaren MP4-12C (rear)• McLaren 570S / 570GT (rear)• McLaren 650S (rear)• McLaren 675LT (rear)• McLaren 720S (rear)Note: For vehicles equipped with Girodisc 380mm two-piece rear rotor systems. Not compatible with OEM or carbon-ceramic rotors.
Features
• Sold as a left/right pair and includes full hardware kit• Direct replacements for Girodisc 380mm two-piece rear rotors• CNC-machined from high-carbon cast iron for superior heat control• Curved directional vanes increase cooling efficiency• Maintains OEM brake balance and ABS calibration• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands
Specifications
• Diameter: 380mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and new hardware kit• Sold/priced per pair
Girodisc D2-159 Replacement Ring FAQs
Will these fit OEM McLaren rotors? No. These are made specifically for Girodisc two-piece rotor hats and will not fit factory or carbon-ceramic assemblies.
Are both sides included? Yes. Each D2-159 kit includes both left and right replacement rings plus a complete hardware kit.
Why replace just the rings instead of the full rotor? It saves cost, retains your Girodisc hats, and restores performance without replacing the full assembly.
Can I reuse the old hardware? No. Always install the new floating hardware included in the kit for proper fitment and long-term safety.
Upgrade your McLaren’s braking performance with Girodisc D2-159 380mm rear replacement rings — engineered for durability, heat control, and consistent stopping power on both street and track.
GiroDisc Racing Brakes & Technologies
Girodisc GD355.35.52 – 355x35mm Replacement Rotor Rings
$730.00
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.
GiroDisc Racing Brakes & Technologies
Girodisc GD380.34.62BR – 380x34mm Replacement Rings for Brembo Wide Annulus (D62)
$950.00
380x34mm Replacement Rings for Brembo Wide Annulus (D62)
Renew your Brembo big brake kit’s stopping performance with the Girodisc GD380.34.62BR Replacement Rings. Designed as a direct replacement for 380x34mm Brembo wide annulus two-piece rotors, these precision-machined rings deliver exceptional thermal stability, strength, and fade resistance under demanding street or track use.
Manufactured in the USA from Girodisc’s proprietary high-carbon cast iron alloy, each ring is engineered to handle high heat cycles and extreme braking forces without distortion or cracking. The D62 wide annulus design matches Brembo’s 62mm pad contact area, ensuring maximum pad engagement and consistent braking performance lap after lap.
Features and Benefits
Direct replacement rings for 380x34mm Brembo big brake kits using a 62mm wide annulus pad
Bolts directly to existing Brembo aluminum hats using original hardware
Machined from proprietary U.S.-poured high-carbon cast iron for superior heat capacity
48 curved directional vanes maximize airflow and cooling efficiency
Lightweight two-piece floating design reduces unsprung weight and improves brake response
Fully machined, balanced, and assembled in the USA
Hardware Information
These rings bolt to the existing Brembo hats using the factory hardware. New hardware is not included with this set but can be sourced if your existing fasteners show wear or damage.
Compatibility
Fits Brembo big brake kits featuring 380x34mm rotors with a 62mm wide annulus pad design. Compatible with both street and track-oriented Brembo systems using two-piece floating rotor assemblies.
Why Choose Girodisc
Girodisc combines racing heritage with cutting-edge engineering to deliver replacement components that outperform OEM parts. The GD380.34.62BR rings restore your Brembo system’s braking precision and consistency while maintaining the lightweight performance benefits of your existing hats. Each ring is heat-treated and balanced for dependable, fade-free performance under extreme braking conditions.
FAQs
Do these include the aluminum hats?No. The GD380.34.62BR kit includes only the rotor rings. You will reuse your existing Brembo hats.
Is hardware included?No. These rings bolt to your Brembo hats using your existing hardware. Replacement hardware can be ordered separately if needed.
Are these compatible with OEM rotors?No. These are designed exclusively for 380x34mm Brembo big brake kits using a 62mm wide annulus pad and will not fit OEM one-piece rotors.
Are they directional?Yes. Each ring features curved internal vanes and must be installed on the correct side for optimal cooling and airflow.
Ready to Refresh?
When it’s time to restore the braking precision of your Brembo big brake kit, the Girodisc GD380.34.62BR 380x34mm Replacement Rings deliver the performance, durability, and cooling efficiency you expect. Order your set today from Competition Motorsport and get your system back to race-ready perfection.
GiroDisc Racing Brakes & Technologies
Lotus Emira Front Caliper Rebuild Kit
$33.60
Lotus Emira Rear Caliper Rebuild Kit
Been to a few too many track days? If your rear calipers are feeling sticky or weak, this kit replaces the hard-worked piston seals and dust boots to get them operating like new.
Fitment
Lotus Emira rear caliper. If you are unsure about compatibility, compare your caliper’s piston count and dimensions to your factory service information.
Refresh your rear braking performance with a precise, track-tested kit
Each kit services one front caliper and includes new piston seals and high-temperature dust boots built to our spec. Pair rebuilt calipers with titanium pad shields to reduce heat transfer and extend service intervals.
CCRK2-388 Features
One kit services one front caliper
Includes piston seals and dust boots made to our specifications
Designed to withstand high brake temperatures common on track
Restores caliper feel, consistency, and pad release
Recommended with titanium pad shields for added heat protection
What’s included
Piston seals and dust boots sufficient to rebuild one Lotus Emira rear brake caliper.
Fitment
Lotus Emira front caliper. If you are unsure about compatibility, compare your caliper’s piston count and dimensions to your factory service information.
Installation notes
Clean all components thoroughly; avoid scratching piston surfaces
Use appropriate brake assembly lube and fresh DOT-rated brake fluid specified by the vehicle manufacturer
After assembly, bleed the system and verify a firm, consistent pedal
Follow torque specs and procedures in the factory service manual
Lotus Emira Front Caliper Rebuild Kit CCRK2-388 FAQs
Does one kit cover both front calipers?
No. One kit services one caliper. Order two kits to service both rear calipers.
How do I know my caliper seals need replacement?
Common signs include uneven pad wear, dragging brakes, fluid seepage, a soft pedal, or pistons that don’t retract smoothly after braking.
Can I install this at home?
Experienced DIYers can rebuild calipers with the right tools and a service manual. If you are unsure, consult a professional technician.
Do I need new brake fluid after the rebuild?
Yes. Always use fresh fluid that meets the manufacturer’s specification and fully bleed the system after service.
Will titanium pad shields really help?
They reduce heat transfer from pads to pistons, helping protect seals and fluid, especially during repeated high-temperature track use.
Ready to restore consistent braking performance? Add the Lotus Emira Rear Caliper Rebuild Kit to your cart, and consider titanium pad shields to keep your system cooler on track.
GiroDisc Racing Brakes & Technologies
Lotus Emira Rear Caliper Rebuild Kit
$33.60
Lotus Emira Rear Caliper Rebuild Kit
Been to a few too many track days? If your rear calipers are feeling sticky or weak, this kit replaces the hard-worked piston seals and dust boots to get them operating like new.
Fitment
Lotus Emira rear caliper. If you are unsure about compatibility, compare your caliper’s piston count and dimensions to your factory service information.
Refresh your rear braking performance with a precise, track-tested kit
Each kit services one rear caliper and includes new piston seals and high-temperature dust boots built to our spec. Pair rebuilt calipers with titanium pad shields to reduce heat transfer and extend service intervals.
CCRK2-388 Features
One kit services one rear caliper
Includes piston seals and dust boots made to our specifications
Designed to withstand high brake temperatures common on track
Restores caliper feel, consistency, and pad release
Recommended with titanium pad shields for added heat protection
What’s included
Piston seals and dust boots sufficient to rebuild one Lotus Emira rear brake caliper.
Fitment
Lotus Emira rear caliper. If you are unsure about compatibility, compare your caliper’s piston count and dimensions to your factory service information.
Installation notes
Clean all components thoroughly; avoid scratching piston surfaces
Use appropriate brake assembly lube and fresh DOT-rated brake fluid specified by the vehicle manufacturer
After assembly, bleed the system and verify a firm, consistent pedal
Follow torque specs and procedures in the factory service manual
Lotus Emira Rear Caliper Rebuild Kit CCRK2-388 FAQs
Does one kit cover both rear calipers?
No. One kit services one caliper. Order two kits to service both rear calipers.
How do I know my caliper seals need replacement?
Common signs include uneven pad wear, dragging brakes, fluid seepage, a soft pedal, or pistons that don’t retract smoothly after braking.
Can I install this at home?
Experienced DIYers can rebuild calipers with the right tools and a service manual. If you are unsure, consult a professional technician.
Do I need new brake fluid after the rebuild?
Yes. Always use fresh fluid that meets the manufacturer’s specification and fully bleed the system after service.
Will titanium pad shields really help?
They reduce heat transfer from pads to pistons, helping protect seals and fluid, especially during repeated high-temperature track use.
Ready to restore consistent braking performance? Add the Lotus Emira Rear Caliper Rebuild Kit to your cart, and consider titanium pad shields to keep your system cooler on track.