SKU: A2-130
GiroDisc 08-16 Audi S4/S5 (B8) Slotted Rear Rotors
GiroDisc 08-16 Audi S4/S5 (B8) Slotted Rear Rotors are two-piece performance brake rotors built for the rear position on B8 platform vehicles from 2008 to 2016. These 330mm diameter slotted rotors enhance heat management and provide reliable stopping power under demanding conditions. The lightweight construction cuts unsprung mass for sharper handling.
Key Features
- Two-Piece Construction: 6061-T6 forged aluminum hats paired with high-carbon cast iron rings reduce rotational mass by 4.5 lbs per pair versus OEM
- Slotted Surface: Narrow slots clear gases and debris for stronger initial bite and fade-resistant performance during repeated hard stops
- Curved Vane Design: Internal vanes direct cooling air through the rotor improving thermal capacity for track or street use
- Floating Interface: Bobbin-mounted rings expand independently of hats to resist warping and maintain flatness
- Direct Bolt-On Fit: Matches OEM 330mm x 25mm x 68mm dimensions no modifications or adapters required
Product Notes
- Sold as complete left and right rotor pair
- Compatible with OEM calipers pads and hardware
- Heavy item requires sturdy packaging for safe transit
Installation Notes
- Professional installation recommended.
- Torque hardware to Audi factory specifications.
- Uses OEM mounting hardware no additional parts needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2016 | Audi | S4 | Sedan |
| 2008-2016 | Audi | S5 | Coupe |
| 2010-2016 | Audi | S5 | Cabriolet |
Why Choose Girodisc?
- Girodisc builds rotors for professional racing teams worldwide
- High-carbon rotors deliver durability for street and circuit
- Precision machining ensures perfect balance and OEM-spec fit
Frequently Asked Questions
- Q: Will these rotors fit B8 and B8.5 S4/S5 models?
A: Yes A2-130 fits all 2008-2016 Audi S4 sedan S5 coupe and S5 cabriolet B8/B8.5 variants with rear 330mm rotors. - Q: What materials are in these rotors?
A: High-carbon alloy cast iron rotor rings with 6061-T6 aircraft-grade aluminum hats and stainless steel hardware. - Q: What warranty applies?
A: One-year manufacturer warranty against defects in materials and workmanship.
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective double-box 20 x 18 x 10 inches
- Weight: 26.5 lbs
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