D1-147 Girodisc Corvette C7 Z06/Grand Sport Rear Replacement Rings

The Girodisc D2-147 Front Replacement Rings are designed for use with the A2-147 Girodisc front rotor kits for the Chevrolet C7 Corvette Z06 and Grand Sport. These replacement rings allow you to reuse your existing Girodisc aluminum hats, lowering long-term brake costs while maintaining the same high level of performance.

Vehicle Fitment

• Chevrolet Corvette C7 Z06 & Grand Sport
• For use with Girodisc A2-147 rear rotor kits
• Rings and hardware only – designed exclusively for Girodisc hats

Serviceable Two-Piece Design

These rings are machined from Girodisc’s proprietary high-carbon iron casting and feature 72 curved vanes that act as a centrifugal pump to maximize cooling efficiency. Each set includes new floating hardware to restore proper rotor float during service. Replacing only the rings keeps consumable costs down while retaining full braking performance.

Features

• Replacement rings only; reuse your A2-147 Girodisc aluminum hats
• High-carbon iron with 72 curved vanes for superior airflow and cooling
• Includes new floating hardware for a complete refresh
• Designed exclusively for Girodisc hats
• Minimum recommended ring thickness: 32 mm

D1-147 Girodisc Corvette Rear Replacement Rings FAQs:

Do these include hats? No. These are rings only and must be installed on existing A2-147 Girodisc aluminum hats.

Can I use these with OEM rotors? No. They are designed exclusively for Girodisc A2-147 rotor kits.

Do they come with new hardware? Yes. All replacement rings include new floating hardware.

When should the rings be replaced? Replace them when the thickness reaches 32 mm or if cracks propagate to the outer edge under inspection.

Are they directional? Yes. Each ring is side-specific, with directional curved vanes for optimal cooling.