Girodisc Corvette C7 Z06 / Grand Sport Rear Replacement Rotor Rings
The Girodisc D2-147 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors used on the Chevrolet Corvette C7 Z06 and Grand Sport. Designed to restore braking performance and maintain Girodisc’s unmatched cooling efficiency, these rings deliver lightweight strength, balance, and durability for both street and track use.
Vehicle Fitment
• Chevrolet Corvette C7 Z06 – Rear
• Chevrolet Corvette C7 Grand Sport – Rear
• Designed for Girodisc two-piece rotor systems
• Will not fit OEM or non-Girodisc two-piece rotors
High-Performance Construction for the C7 Platform
Each Girodisc D2-147 replacement ring is manufactured in the USA using Girodisc’s proprietary high-carbon cast iron alloy, developed for superior strength and thermal stability. The internal curved vane design acts as a centrifugal air pump, forcing cooling air through the disc to minimize fade and maintain consistent braking under the most demanding conditions. Sold as a matched pair, the rings include new hardware and are a direct bolt-on fit to your existing Girodisc aluminum hats.
Features
• Size: 370mm x 30mm
• Direct replacement for Girodisc Corvette C7 Z06 / Grand Sport rear rotors
• Proprietary high-carbon iron alloy poured and machined in the USA
• Curved vane internal geometry for improved airflow and cooling
• Includes full hardware kit (pins, bolts, washers)
• Reuses Girodisc aluminum hats
• Maintains OEM brake bias and ABS calibration
• Sold/priced per pair ($730.00)
• Not compatible with OEM or non-Girodisc hats
Girodisc D2-147 Corvette C7 Z06 / Grand Sport Rear Replacement Rotor Rings FAQs
Can I reuse my Girodisc aluminum hats? Yes. These replacement rings are designed to bolt directly onto your existing Girodisc hats using the supplied hardware kit.
Are these compatible with OEM or factory rotors? No. Girodisc rings are designed exclusively for Girodisc two-piece systems and will not fit OEM or other aftermarket hats.
What’s included in the kit? Two 370mm rear iron rotor rings (left and right) and all necessary hardware for reassembly.
Are the rotors directional? Yes. Each rotor is marked left and right and uses directional curved vanes for optimal cooling and airflow.
Do these improve performance over OEM rotors? Yes. Girodisc rotors reduce unsprung weight, improve heat dissipation, and provide consistent braking under high loads, making them ideal for both street and track performance.
Are they sold as a set? Yes. The Girodisc D2-147 Corvette C7 Z06 / Grand Sport Rear Replacement Rotor Rings are sold and priced per pair and include all required hardware.
Maintain your Corvette’s legendary braking precision with Girodisc D2-147 Rear Replacement Rotor Rings—crafted in the USA for unmatched quality, cooling, and race-proven performance.
