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SKU: GD355.35.52
GiroDisc 355x35mm 10 Pin Holes 52mm Annulus Slotted Rings for Porsche 997 GT3 GT3 RS GT2 2007-2010
Girodisc slotted rotor rings measure 355mm diameter by 35mm thick designed as direct front replacements for Porsche 997 GT3 GT3 RS and GT2 models from 2007 to 2010. These high-carbon rings bolt to Girodisc hats using 10 pins for two-piece rotor assembly that cuts unsprung weight by 7 pounds per corner versus OEM. Slotted surfaces clear gases and debris for consistent stopping power under track or street conditions.
Key Features
- Slotted Friction Surface: Precision slots wipe away gases water and pad residue to maintain maximum bite in wet or high-heat scenarios
- Curved Internal Vanes: Direct cooling air through the rotor vanes for faster heat dissipation and longer life during repeated hard stops
- Two-Piece Design: Modular rings separate from hats to allow easy replacement and reduce rotating mass for sharper handling
- High-Carbon Alloy Construction: Resists thermal cracking and warping with consistent performance across thousands of heat cycles
- 52mm Annulus 10 Pin Holes: Exact OEM-spec centering and secure mounting to Girodisc hats for vibration-free operation
Product Notes
- Pair of rings included requires Girodisc rotor hats for complete assembly
- Clean with non-corrosive brake cleaner avoid abrasive pads to preserve slots
- Packaged as pair weighs 32 lbs ships in 17x17x4 inch box
Installation Notes
- Professional installation recommended.
- Torque pins to 25 ft-lbs and use anti-seize on hardware
- Compatible with Girodisc GT-R or GT-X hats OEM calipers and pads
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2009 | Porsche | 911 | GT3 |
| 2007 | Porsche | 911 | GT3 RS |
| 2007-2010 | Porsche | 911 | GT2 |
| 2008-2009 | Porsche | 911 | GT2 RS |
Why Choose Girodisc?
- Developed for Porsche GT3 Cup racing with proven track record
- CNC-machined in Italy from premium materials
- Lifetime warranty against rotor defects when properly installed
Frequently Asked Questions
-
Q: Will these fit my 2008 Porsche 997 GT3 front brakes?
A: Yes direct bolt-on replacement for 2007-2009 GT3 fronts using Girodisc hats and OEM calipers -
Q: What material are the rings made from?
A: High-carbon ductile iron for superior heat resistance and minimal wear on pads -
Q: What warranty applies?
A: Lifetime warranty covers warping cracking and defects excludes abuse or improper bedding
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Pair in protective foam-lined box 17x17x4 inches
- Weight: 32 lbs
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