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SKU: GD355.32.52
GiroDisc 97-04 Audi A6/Allroad (C5 w/Alcon/Stoptech 355x32 Rotors) Slotted Front Rings
GiroDisc slotted front rotor rings deliver direct replacement performance for 1997-2004 Audi A6 and Allroad C5 models equipped with Alcon or Stoptech 355x32mm big brake kits. The two-piece construction with high-carbon slotted rings and aluminum hats reduces unsprung weight by up to 40% compared to one-piece rotors while maintaining rigidity under extreme heat. This setup provides consistent pedal feel, fade-resistant braking, and extended pad life for aggressive driving.
Key Features
- Two-Piece Floating Design: High-carbon slotted ring floats on 6061-T6 aluminum hat to handle thermal expansion without warping or cracking.
- Slotted Rotor Surface: Narrow slots enhance initial bite, expel gases and debris for reliable performance in wet or track conditions.
- Curved Internal Vane: Patented 72-vane design directs cooling air through rotor core, dissipating heat 30% faster than straight vane rotors.
- Lightweight Aluminum Hat: Hard-anodized 6061-T6 hat weighs 5.2 lbs per side versus 12 lbs for steel OEM equivalents, lowering rotational mass.
- Precision Dimensions: 355mm diameter x 32mm thickness x 52mm height ensures perfect fit with Alcon/Stoptech calipers and OEM-style hub mounting.
Product Notes
- Requires compatible GiroDisc hats or OEM-style hats from Alcon/Stoptech kits for assembly.
- Bed-in rotors with 10-12 hard stops from 60-10 mph after installation for optimal performance.
- Ships as pair of rings only. hats sold separately if needed.
Installation Notes
- Professional installation recommended.
- Torque rotor ring attachment bolts to 20 ft-lbs using red Loctite 271 and GiroDisc provided fasteners.
- Compatible with factory or aftermarket Alcon/Stoptech 6-piston front calipers and 355x32mm bolt pattern.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2004 | Audi | A6 | Quattro (C5 w/Alcon/Stoptech BBK) |
| 2001-2004 | Audi | Allroad Quattro | (C5 w/Alcon/Stoptech BBK) |
Why Choose GiroDisc?
- Proven in GT3 racing and endurance events with factory teams.
- Hand-assembled in USA with aerospace-grade materials for durability.
- Engineered for street-to-track transition with zero runout tolerance.
Frequently Asked Questions
-
Q: Will these rings fit my 2002 Audi A6 with Stoptech STR-60 kit?
A: Yes, designed specifically for Alcon/Stoptech 355x32mm rotors on C5 A6/Allroad. confirm caliper model matches. -
Q: What material are the rings made from?
A: High-carbon 72-vane slotted iron rings paired with 6061-T6 hard-anodized aluminum hats for strength and corrosion resistance. -
Q: What is the warranty on these rotors?
A: 1-year unlimited mileage warranty against defects. excludes abuse, improper bedding, or track-only use without inspection.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed pair with protective foam inserts, dimensions 24 x 20 x 8 inches
- Weight: 48.5 lbs
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