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Girodisc Ford S550 Mustang Rear Rotors

Girodisc Ford S550 Mustang Rear Rotors

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These GiroDisc 2-piece rotors are a direct replacement for the rear rotors on the S550 Mustang. Our 2-piece, fully floating assemblies help shed unsprung weight and rotating mass from the front axle of the vehicle.

The rotor rings are machined from a proprietary casting made of high-carbon steel formulated to GiroDisc's specifications. This superior metallurgy results in a rotor that holds up better, and the 48 curved vanes act as a centrifugal pump pulling air in through the hub to effectively cool the rotors under hard use. The 2-piece design means a reusable hat which can be attached to new rings (part number D2-067) when they need to be replaced.

All major components including the hats, rotor rings, and drive pins are manufactured in-house at our facility in Bellingham, WA from domestically sourced materials. The hat is made from 6061-T6 aluminum and coated in a black anodize finish. The drive pins are made from a high-strength steel alloy and cadmium-plated for corrosion resistance. All rotors are assembled with spring clips and Belleville washers for race-ready float while also being street-friendly with no noise from loose hardware.

The minimum thickness at which we recommend replacing these rings is 23mm. We also recommend replacing them if a crack leads to the edge of the ring.

Sold and priced per pair.

Fits

Ford Mustang (S550) Convertible GT 2015-2023
Ford Mustang (S550) Coupe GT 2015-2023
Ford Mustang (S550) Coupe Mach 1 2021-2023

Manufacturer fitment

Ford Mustang (S550) GT Performance Pack, Mach 1 (With front Brembo caliper) - Rear

Part number

A2-067

Professional fitting is recommended.

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