Can the GiroDisc GT500 Rear Rotors for S197 go on an older Mustang?

They are made for the 2013-2014 GT500 with 350mm rear rotors. The setup can be retrofitted to other S197 Mustangs, but that needs additional parts, so GiroDisc asks owners to research the full conversion carefully before buying the GT500 Rear Rotors for S197.

Why are these rings thicker than the factory rotors?

GiroDisc makes the ring 22mm thick instead of the 19mm factory dimension. The extra iron gives more thermal mass for repeated hard stops, and the change still needs no modification to the calipers, brackets or hubs on a 2013-2014 GT500.

What is the minimum thickness of the rear rings?

GiroDisc recommends replacing the rings once they wear to 20mm, or straight away if a crack reaches the ring edge. The replacement rings are part D2-091, sold in pairs with new hardware that bolts to the original hats, so the aluminum hats stay in service for the life of the car.

How is the floating ring kept quiet on the street?

Each rotor is assembled with spring clips and Belleville washers. They let the iron ring expand as it heats and stay centered on the hat, while holding it firmly enough that there is no clatter from loose hardware during slow driving.

Where is the rear rotor made?

GiroDisc produces the hats, rotor rings and drive pins in-house in Bellingham, Washington, using domestically sourced material. The rings are cast from a proprietary high-carbon iron, and the drive pins are high-strength alloy steel with cadmium plating to resist corrosion through wet winters and hard use.

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Description

GiroDisc GT500 Rear Rotors for S197 Ford Mustang (2013-2014)

GiroDisc’s GT500 Rear Rotors for S197 Ford Mustang Shelby GT500 models from 2013 and 2014 suit the 5.8L cars and their 350mm rear brake setup. GiroDisc makes the ring 22mm thick, against 19mm from the factory, which adds heat capacity without any modification to the car. The ring carries 48 curved vanes and floats on a black-anodized 6061-T6 aluminum hat. Owners who have upgraded the fronts will want these to keep the rear axle working just as consistently.

Fitment and Installation

These rotors bolt on in place of the original rear discs on the 2013-2014 GT500, and the thicker ring needs no changes to calipers or brackets. Spring clips and Belleville washers give the ring float without rattle. The 350mm setup can be retrofitted to other S197 Mustangs, but GiroDisc advises owners to research every part that conversion needs before ordering.

Features

350mm diameter for the 2013-2014 GT500 rear brake
22mm ring thickness, up from 19mm stock
48 curved vanes that pump air outward
Black-anodized 6061-T6 aluminum hat
Spring clips and Belleville washers for quiet float

Specifications

Outer diameter: 350mm
Thickness: 22mm (factory 19mm)
Minimum thickness: 20mm
Vane count: 48 curved
Replacement rings: D2-091

What’s Included

Rear rotor assemblies (L/R)

Applications

Ford Mustang Shelby GT500: S197 | 2013-2014 | 5.8L supercharged V8 with 350mm rear rotors

Notes

The GT500 Rear Rotors for S197 are for the 2013-2014 5.8L GT500 brake setup with 350mm rear rotors
Worn rings are replaced with the GiroDisc 2013-2014 GT500 rear replacement rings on the existing hats
The GiroDisc 2013-2014 GT500 front rotors complete the set
Stock photography may not depict the actual product

Frequently Asked Questions

Can the GiroDisc GT500 Rear Rotors for S197 go on an older Mustang? They are made for the 2013-2014 GT500 with 350mm rear rotors. The setup can be retrofitted to other S197 Mustangs, but that needs additional parts, so GiroDisc asks owners to research the full conversion carefully before buying the GT500 Rear Rotors for S197.
Why are these rings thicker than the factory rotors? GiroDisc makes the ring 22mm thick instead of the 19mm factory dimension. The extra iron gives more thermal mass for repeated hard stops, and the change still needs no modification to the calipers, brackets or hubs on a 2013-2014 GT500.
What is the minimum thickness of the rear rings? GiroDisc recommends replacing the rings once they wear to 20mm, or straight away if a crack reaches the ring edge. The replacement rings are part D2-091, sold in pairs with new hardware that bolts to the original hats, so the aluminum hats stay in service for the life of the car.
How is the floating ring kept quiet on the street? Each rotor is assembled with spring clips and Belleville washers. They let the iron ring expand as it heats and stay centered on the hat, while holding it firmly enough that there is no clatter from loose hardware during slow driving.
Where is the rear rotor made? GiroDisc produces the hats, rotor rings and drive pins in-house in Bellingham, Washington, using domestically sourced material. The rings are cast from a proprietary high-carbon iron, and the drive pins are high-strength alloy steel with cadmium plating to resist corrosion through wet winters and hard use.

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 GT500 Rear Rotors for S197 Ford Mustang (2013-2014) [A2-091]

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GiroDisc GT500 Rear Rotors for S197 Ford Mustang (2013-2014)

Fitment and Installation

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About GiroDisc

Reviews