SKU: GD380.34.62BR
GiroDisc 380x34mm Replacement Rings for Brembo Wide Annulus (62mm) Fits Porsche 911 GT3 996/997/991
GiroDisc 380x34mm Replacement Rings serve as direct friction ring replacements for GiroDisc two-piece front brake rotors with Brembo wide annulus design. These rings fit Porsche 911 GT3 models from 2004 to 2016 including 996, 997, and 991 chassis. The curved vane construction delivers high heat dissipation and sustained performance during aggressive track sessions.
Key Features
- Curved Vane Design: 72 precision vanes channel air through the rotor for rapid heat evacuation and reduced fade
- High Carbon Ductile Iron: Resists cracking under thermal stress while maintaining consistent friction properties
- Stress Relieved Machining: Ensures perfect flatness, balance, and zero runout after high-heat break-in
- Exact Dimensions: 380mm diameter x 34mm thickness matches OEM specs for plug-and-play installation
- Brembo 62mm Annulus Compatible: Locks securely into GiroDisc hats for floating two-piece operation
Product Notes
- Sold as pair for left and right front rotors
- Pair with GiroDisc hat part GD62BR for complete assembly
- Inspect hat and bobbin condition before ring replacement
Installation Notes
- Professional installation recommended.
- Apply anti-seize compound to bobbin hardware during assembly
- Use original GiroDisc stainless steel bobbins and Grade 12.9 bolts
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2005 | Porsche | 911 | GT2 |
| 2004-2005 | Porsche | 911 | GT3 |
| 2004-2005 | Porsche | 911 | GT3 RS |
| 2005 | Porsche | Carrera GT | Base |
| 2006-2012 | Porsche | 911 | GT3 |
| 2007 | Porsche | 911 | GT3 RS |
| 2010-2012 | Porsche | 911 | GT3 RS |
| 2011 | Porsche | 911 | GT2 RS |
| 2013-2016 | Porsche | 911 | GT3 |
Why Choose GiroDisc?
- Track-proven design used in professional racing series
- USA-manufactured with tight tolerances for reliability
- Two-piece system expands under heat to prevent cone distortion
Frequently Asked Questions
-
Q: Do these fit 997 GT3 models with factory Brembo brakes?
A: Yes, they replace rings in GiroDisc 380x34mm rotors on 2006-2012 Porsche 911 GT3 equipped with Brembo GT calipers. -
Q: What material provides the cooling benefits?
A: High carbon ductile iron rings feature internal 72 curved vanes that pull air inward for maximum ventilation. -
Q: What support comes after purchase?
A: Backed by GiroDisc warranty on defects. Includes detailed instructions and tech support for assembly.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective custom box 40 x 16 x 16 inches
- Weight: 48 lbs
Brake Rotors
Brake rotors for street, track, tow, and off-road builds are stocked at Black Ops Auto Works. Shop drilled and slotted rotors, slotted-only rotors, dimpled rotors, blank OE-replacement rotors, two-piece floating rotors, high-carbon iron rotors, and vehicle-specific rotor packages for Hellcat, Trackhawk, TRX, HEMI, Coyote, LS, LT, and import platforms. Every product is filterable by year, make, model, trim, and factory brake package so the correct rotor ships the first time. Black Ops Auto Works carries 2,884 brake rotor SKUs across drilled, slotted, two-piece, and OE-replacement categories. What This Collection Covers Brake rotor selection is one of the two friction decisions on the vehicle, the other being pad compound. This collection covers rotor styles, metallurgy, sizing, and vehicle-specific fitment for daily drivers, sport cars, track builds, tow rigs, and off-road platforms. Rotor Styles Drilled and slotted, slotted-only, dimpled, blank OE-replacement, and two-piece floa...
View Brake Rotors Products
Brake Rotors - Slotted
Slotted brake rotors for cars, trucks, SUVs, and performance builds are stocked at Black Ops Auto Works. Shop front and rear slotted rotors, single slotted and slot and drilled combination rotors, two piece floating rotors, replacement rotor rings, big brake kit rotors, OE spec slotted rotors, and matched rotor and pad sets for daily drivers, track cars, and tow vehicles from DBA, EBC, Alcon, GiroDisc, StopTech, PowerStop, and Black Ops Auto Works. Every rotor is filterable by year, make, model, trim, engine, and drivetrain so the correct diameter, thickness, bolt pattern, and hat height ships the first time. Black Ops Auto Works carries 707 slotted rotor SKUs across front, rear, two piece, and big brake kit replacement categories. What This Collection Covers Slotted rotors cut straight or curved channels across the face of the rotor to continuously shave a fresh layer of pad material and vent gas and debris away from the contact patch. The result is a more consistent pedal feel...
View Brake Rotors - Slotted Products
Brakes
Brake parts and complete brake kits for cars, trucks, SUVs, Jeeps, and track builds are stocked at Black Ops Auto Works. Shop brake pads, brake rotors, big brake kits, brake calipers, caliper covers, stainless steel brake lines, brake master cylinders, brake hardware, brake drums, brake shoes, hand brakes, and brake adapters for HEMI, Hellcat, Trackhawk, TRX, LS, LT, Coyote, and EcoBoost platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,180 brake SKUs across pads, rotors, big brake kits, calipers, and hydraulic categories. What This Category Covers Brakes are the highest-priority safety upgrade on any modified vehicle. Any horsepower, tire, or suspension change increases the demand placed on the braking system, and a correctly matched pad, rotor, line, and fluid package produces measurable improvements in stopping distance, pedal feel, and heat capacity. This collect...
View Brakes Products
GiroDisc
GiroDisc parts and accessories for Porsche 911 and Cayman, BMW M2 M3 M4 M5, Nissan 350Z and GT-R, Corvette C8 and Z06, Camaro ZL1, Mustang Shelby, WRX STI, Viper, and other track-focused cars are stocked at Black Ops Auto Works. Shop floating two-piece brake rotors, slotted rotor assemblies, replacement rotor rings, aluminum hats, brake hardware, caliper rebuild kits, and track brake components for street cars, track cars, trucks, and focused performance builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 201 GiroDisc SKUs across fitment-specific product lines. What This GiroDisc Collection Covers GiroDisc is a premium brake brand focused on floating two-piece rotors, replacement rings, rotor hardware, and selected caliper service components. Their systems are engineered for repeated high-energy braking on performance street and track applications. Fitment Comes First Rotors...
View GiroDisc Products


