Girodisc Mercedes SL55/63 Rear Rotors
Upgrade your AMG’s stopping power with Girodisc’s two-piece rear rotors for the Mercedes SL55 and SL63. Engineered as a direct replacement for the factory rotors, this setup delivers lighter weight, improved cooling, and consistent high-speed braking performance—without altering factory bias or ABS calibration.
Vehicle Fitment
Mercedes-Benz SL55 AMG (R230)
Mercedes-Benz SL63 AMG (R230)
Direct OEM replacement – no modifications required
Precision Engineering for AMG Performance
The Girodisc system replaces the heavy one-piece OE rotors with lightweight, fully floating two-piece assemblies. The hats are precision-machined from 6061-T6 aircraft-grade aluminum and paired with Girodisc’s proprietary cast-iron rings, both manufactured in the USA. The 48 curved vane design acts as a centrifugal pump, pulling air through the rotor for exceptional cooling and fade resistance under track or spirited driving.
Features
• Direct bolt-on OEM replacement
• 6061-T6 billet aluminum hats, machined and anodized in the USA
• Proprietary cast-iron friction rings, cast and machined in-house
• Floating mount system with cadmium-plated high-strength steel drive pins
• Anti-noise spring washers eliminate rattle while allowing thermal growth
• 48 curved directional vanes maximize airflow and cooling
• Significantly reduces unsprung and rotational mass
• Maintains factory brake bias and ABS efficiency
• Fully rebuildable – replace friction rings when needed
• Sold/priced per pair
Girodisc A2-030 Rear Rotor FAQs:
Do these fit both the SL55 and SL63 AMG? Yes. The A2-030 rotors are designed as a direct OEM replacement for both AMG models without any modification or adapters.
How much weight reduction should I expect? Girodisc rotors are several pounds lighter per corner than the factory one-piece rotors, improving suspension response and reducing rotational inertia.
Are they quieter than stock rotors? Yes. The anti-noise spring washer system prevents the rattle commonly associated with floating rotors, ensuring smooth and quiet operation.
Will these handle track use? Absolutely. The curved vane internal design provides superior airflow and thermal stability, ideal for both high-performance street and track environments.
Enhance your AMG’s precision and performance with Girodisc rear rotors—crafted to deliver cooler, lighter, and more controlled braking every drive.
