Girodisc Ferrari 398mm Front Replacement Rings
Restore peak braking performance on your Ferrari with Girodisc 398mm front replacement rings. These high-carbon iron friction rings are designed to bolt directly to your existing Girodisc two-piece rotor hats, offering a precise fit and consistent stopping power for both street and track applications.
Vehicle Fitment
Compatible with:
• Ferrari 458 Italia
• Ferrari 458 Speciale
• Ferrari 488 GTB / Spider
• Ferrari F8 Tributo
Note: These are replacement rings only. They attach directly to your existing Girodisc aluminum hats using the included hardware.
Track-Ready Performance and Quality
Each Girodisc 398mm replacement ring is cast and machined in the USA using a proprietary high-carbon iron alloy that delivers superior heat stability and minimal distortion under extreme braking. The directional curved vane design acts as a centrifugal air pump, dramatically improving cooling efficiency and fade resistance. Whether you’re on the street or at the track, Girodisc ensures consistent pedal feel and reliable braking lap after lap.
Features
• Direct replacement for 398mm Girodisc front rotor assemblies
• Compatible with OEM Ferrari calipers
• High-carbon cast iron improves thermal stability and wear resistance
• Curved vane internal design for optimal cooling
• Precision balanced and machined in the USA
• Includes complete new hardware kit
• Sold/priced per pair
Specifications
• Diameter: 398mm
• Position: Front
• Material: High-carbon cast iron
• Includes new hardware
• Made in the USA
• Sold/priced per pair
Girodisc D1-111 Replacement Ring FAQs
Do these fit the OEM Ferrari carbon-ceramic setup? No, these replacement rings are designed only for Girodisc two-piece iron conversions. OEM carbon-ceramic systems require a full iron-conversion kit.
Will these work with my factory calipers? Yes, these are engineered to retain the OEM Ferrari calipers and maintain proper brake bias and pedal feel.
Are new hats required? No. The Girodisc two-piece system allows re-use of your aluminum hats, making future rebuilds more cost-effective.
Do the rings include hardware? Yes, each pair includes new floating pin and bolt hardware for proper installation.
Refresh your Ferrari’s braking performance with Girodisc D1-111 398mm front replacement rings — engineered for precision, cooling efficiency, and endurance-grade reliability.
