Which GT3 do the GiroDisc Front Rotors for 996.1 fit?

The GiroDisc Front Rotors for 996.1 cars fit the first-generation 996 Porsche 911 GT3. GiroDisc supplies them with the spacers and bolts that version requires. Later 996.2 and 997.1 GT3 cars take a separate GiroDisc front rotor, part number A1-019, without the spacer kit.

How much lighter are these than the factory 996 GT3 front rotors?

GiroDisc puts its front rotor at approximately 21.0 lb against 25.6 lb for the stock unit, a saving of roughly 4.6 lb per corner. GiroDisc says that reduction in rotating and unsprung weight allows quicker acceleration and sharper suspension response.

What are the spacers in the 996.1 GT3 kit for?

GiroDisc lists this version as including spacers and bolts, which is what separates it from the A1-019 rotor for later GT3 cars. They are part of the installation on the 996.1 GT3, so keep them with the rotors and fit them as GiroDisc directs.

Does fitting these rotors change the brake balance of the GT3?

No. The rotors are a direct replacement for the factory front discs and work with the original calipers. Because GiroDisc upgrades the discs instead of fitting a big brake kit, the factory brake bias is maintained and ABS keeps working as Porsche designed it.

What wears out and gets replaced on these GT3 rotors?

Only the cast iron ring. Once the GiroDisc system is on the car the aluminum hat stays in service, and the ring is replaced when it reaches the minimum thickness marked on the hat and ring edge, or if a crack runs out to the edge.

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Description

GiroDisc Front Rotors for 996.1 Porsche 911 GT3 with Spacers and Bolts

GiroDisc’s Front Rotors for 996.1 Porsche 911 GT3 cars come as a complete kit, with the spacers and bolts this early GT3 needs supplied in the box. GiroDisc weighs each front rotor at about 21.0 lb, against 25.6 lb for the stock part, a saving of more than four pounds per corner in rotating and unsprung mass. The hat is US-sourced 6061-T6 aircraft-specification aluminum and the ring is GiroDisc’s own cast iron, machined in-house. For the first-generation GT3 owner who tracks the car, it is a lighter disc without the cost of a big brake kit.

Bolt-On and Go

GiroDisc lists no modifications: the rotors bolt to the car with the supplied spacers and bolts and work with the factory calipers. Because the brakes are upgraded with lighter replacement discs, the factory brake bias and ABS operation are kept. After that, only the cast iron ring is renewed as it wears.

Features

About 21.0 lb per rotor against 25.6 lb for stock, per GiroDisc
Spacers and bolts included for the 996.1 GT3
Ten cadmium-plated alloy steel drive pins
Class 12.9 cap screws with hardened washers
Anti-noise spring washers that stop cold rattle
Curved vane iron ring machined in-house

What’s Included

Front rotor assemblies (L/R)
Spacers and bolts

Applications

Porsche 911 GT3: 996.1 | 3.6L flat-six

Notes

The GiroDisc Front Rotors for 996.1 fit first-generation 996 GT3 cars on factory iron brakes
Later 996.2 and 997.1 GT3 cars use the GiroDisc 996.2 and 997.1 GT3 front rotors
Sold and priced as a pair for the front axle
Stock photography may not depict the actual product

Frequently Asked Questions

Which GT3 do the GiroDisc Front Rotors for 996.1 fit? The GiroDisc Front Rotors for 996.1 cars fit the first-generation 996 Porsche 911 GT3. GiroDisc supplies them with the spacers and bolts that version requires. Later 996.2 and 997.1 GT3 cars take a separate GiroDisc front rotor, part number A1-019, without the spacer kit.
How much lighter are these than the factory 996 GT3 front rotors? GiroDisc puts its front rotor at approximately 21.0 lb against 25.6 lb for the stock unit, a saving of roughly 4.6 lb per corner. GiroDisc says that reduction in rotating and unsprung weight allows quicker acceleration and sharper suspension response.
What are the spacers in the 996.1 GT3 kit for? GiroDisc lists this version as including spacers and bolts, which is what separates it from the A1-019 rotor for later GT3 cars. They are part of the installation on the 996.1 GT3, so keep them with the rotors and fit them as GiroDisc directs.
Does fitting these rotors change the brake balance of the GT3? No. The rotors are a direct replacement for the factory front discs and work with the original calipers. Because GiroDisc upgrades the discs instead of fitting a big brake kit, the factory brake bias is maintained and ABS keeps working as Porsche designed it.
What wears out and gets replaced on these GT3 rotors? Only the cast iron ring. Once the GiroDisc system is on the car the aluminum hat stays in service, and the ring is replaced when it reaches the minimum thickness marked on the hat and ring edge, or if a crack runs out to the edge.

About GiroDisc

GiroDisc designs, manufactures, and sells 2-piece, fully floating brake rotors for a wide range of performance vehicles. Every major component, including the hats, rotor rings, and drive pins, is manufactured in-house at their facility in Bellingham, Washington, from domestically sourced materials. GiroDisc rotors use a proprietary high-carbon iron ring formulated for superior metallurgy and thermal performance, paired with reusable machined-aluminum hats that reduce the long-term cost of maintaining a high-performance brake system. The 2-piece floating design sheds unsprung and rotating mass while remaining street-friendly, delivering race-proven braking for track and street use alike.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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GiroDisc Front Rotors for 996.1 Porsche 911 GT3 with Spacers and Bolts [A1-019A]

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GiroDisc Front Rotors for 996.1 Porsche 911 GT3 with Spacers and Bolts

Bolt-On and Go

Features

What’s Included

Applications

Notes

Frequently Asked Questions

About GiroDisc

Reviews