Girodisc D2-224 Alfa Romeo / Maserati Rear Replacement Rotor Rings

The Girodisc D2-224 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors used on Alfa Romeo Quadrifoglio and Maserati applications. Manufactured to exacting standards, these rings restore your braking system’s performance and cooling efficiency while maintaining the fit and balance of your Girodisc setup.
Precision-Machined for Performance and Durability
Each Girodisc D2-224 rotor ring is cast in the USA using Girodisc’s proprietary iron alloy for maximum strength and heat resistance. The curved vane internal geometry functions as a centrifugal air pump, drawing cooling air through the disc to reduce fade and thermal stress. Sold in pairs, the rings include new hardware and are designed to bolt directly to your existing Girodisc aluminum hats for an easy installation.
Features
• Direct replacement for Girodisc Alfa Romeo and Maserati rear rotors
• Proprietary cast iron alloy poured and machined in the USA
• Curved vane design improves cooling and fade resistance
• Includes complete hardware kit for installation
• Reuses existing Girodisc aluminum hats
• Maintains OEM fitment and brake balance
• Sold/priced per pair
• Not compatible with OEM or other aftermarket hats
Vehicle Fitment
• Alfa Romeo Giulia Quadrifoglio – Rear
• Alfa Romeo Stelvio Quadrifoglio – Rear
• Maserati Ghibli / Quattroporte / Levante (select trims) – Rear
• Designed for Girodisc two-piece rotor systems
• Will not fit OEM or non-Girodisc hats
Girodisc D2-224 Alfa Romeo / Maserati Rear Replacement Rotor Rings FAQs
Can I reuse my Girodisc aluminum hats? Yes. These rings are designed to bolt directly to your Girodisc hats using the included hardware.
Are these compatible with OEM or other brands? No. Girodisc replacement rings are engineered specifically for Girodisc systems and will not fit OEM or other aftermarket hats.
What’s included in the kit? Two iron rotor rings (left and right) and all new hardware for reassembly.
Are the rotors directional? Yes. Each ring is labeled for left and right installation, ensuring proper airflow and cooling efficiency.
What materials are used? Girodisc’s proprietary cast iron alloy provides consistent friction, high heat capacity, and excellent durability for both street and track use.
Are they sold individually or as a pair? The Girodisc D2-224 Alfa Romeo / Maserati Rear Replacement Rotor Rings are sold and priced as a matched pair, complete with hardware.
Keep your braking system performing like new with Girodisc D2-224 Rear Replacement Rotor Rings—precision-crafted in the USA for Alfa Romeo and Maserati performance vehicles demanding exceptional cooling, control, and longevity.