Girodisc Ferrari 246, 308 Rear Rings
Maintain the legendary braking balance of your classic Ferrari with Girodisc D2-021 310mm rear replacement rings. These precision-engineered rings are designed as direct-fit replacements for Girodisc two-piece rotors, bolting to your existing Girodisc aluminum hats with the included floating hardware kit. Each ring is machined from high-carbon cast iron for consistent friction, smooth pedal feel, and improved thermal stability—ideal for spirited road driving or vintage track events.
Vehicle Fitment
Compatible with:
• Ferrari 246 GT / GTS (Dino)
• Ferrari 308 GTB / GTS (all variants)
• Ferrari 308 GT4 (Dino)
Note: Designed for Girodisc 310mm two-piece rear rotor systems only. 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 310mm two-piece rear rotors
• CNC-machined from proprietary high-carbon cast iron
• Directional curved vanes enhance airflow and cooling
• Maintains factory brake bias and pedal modulation
• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands
Specifications
• Diameter: 310mm
• Position: Rear
• Material: High-carbon cast iron
• Mount type: Floating two-piece system
• Includes: Two rings and hardware kit
• Sold/priced per pair
Girodisc D2-021 Ferrari 246 / 308 Rear Replacement Ring FAQs
Can these be used with original Ferrari calipers? Yes. The D2-021 rings are fully compatible with OEM Ferrari calipers when used with Girodisc hats.
Do they improve braking compared to factory rotors? Yes. The Girodisc system reduces unsprung weight, improves cooling, and delivers more consistent pedal feel during aggressive driving.
Are these suitable for classic concours or restoration use? Absolutely. They retain the factory dimensions and appearance while offering modern performance and serviceability.
How often should I replace these rings? Service intervals vary with use—typically every 20,000–30,000 street miles or after visible wear and heat cycling on track.
Preserve your Ferrari’s performance heritage with Girodisc D2-021 310mm rear replacement rings—engineered for balance, cooling, and durability in both classic road and track conditions.
