2015-2022 Ford Mustang Shelby GT500 / GT350R / GT350 (S550) Carbon Ceramic Brake Rotors
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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Will This Fit My Car?
Direct Replacement CCB Discs (Retain Factory Calipers) for the 2015-2022 Ford Mustang Shelby GT500 / GT350R / GT350 (S550). Factory rotor specifications and the smallest wheel that clears each trim:
| Trim | Front Rotor (Factory) | Rear Rotor (Factory) | Min. Wheel Size |
|---|---|---|---|
| GT500 | 420mm | 370mm | 21" |
| GT350/R | 394mm | 380mm | 20" |
Keep Your Factory Calipers?
The rule is simple: front factory calipers must be 4-piston or more; the rear has no limit. A 1- or 2-piston floating front setup cannot take direct-replacement discs — that car needs the Full Upgrade kit with calipers. We build to the factory rotor specs above. Aftermarket calipers (Brembo, AP Racing, Alcon, Wilwood) work too — send the caliper model, pad shape, and rotor size for confirmation first.
Spoke profile and offset also affect clearance — confirm your exact wheels before ordering.
What's in the Box
| Item | Details |
|---|---|
| Product type | Direct Replacement CCB Discs (Retain Factory Calipers) |
| CCB rotors | Full-car set by default, built to the factory rotor specification |
| CCB brake pads | Matched ceramic-compatible compound for StopFlex carbon ceramic rotors |
| 7075 aluminum floating rotor hats | Vehicle-specific fitment; custom rotor hat colors available for every Direct Replacement order. |
| Stainless floating hardware | Full-car hardware set |
| Order scope | Default listing is full-car set. Front-only or rear-only orders can be arranged after confirmation. |
Why Carbon Ceramic — and Why StopFlex
Premium Ceramic-Glaze Finish
StopFlex's proprietary coating gives the disc a bright ceramic-glaze surface with subtle texture — the factory carbon-ceramic look, clearly visible through open wheel designs.
Continuous Fiber Construction
StopFlex discs are built with long continuous carbon fiber instead of chopped short fiber. Continuous strands carry load across the whole rotor body, raising strength and thermal durability under heat cycles.
Bespoke Per-Vehicle Engineering
Every order is machined to the confirmed vehicle and trim. Brackets, hat offsets, and pad shapes are built for that exact car — never pulled from a one-size-fits-all catalog.
CCB-Specific Pad Compound
A low-metallic resin pad compound reinforced with steel, copper, and aramid fiber, made for ceramic discs: stable to about 750 °C, roughly 0.44 average friction, strong fade resistance, low rotor wear.
Lower Unsprung Mass
A carbon-ceramic rotor weighs roughly half of the equivalent iron disc. Less rotating, unsprung mass lets the suspension follow broken pavement more cleanly and makes steering response noticeably sharper.
High-Temperature Stability
The carbon-silicon-carbide friction matrix keeps working at temperatures that push iron rotors into heavy fade, so the tenth hard stop feels like the first — same pedal travel, same bite point.
Rust-Free Rotor Surface
Ceramic discs cannot flash-rust. After rain, a wash, or weeks of parking, the rotor face behind your open-spoke wheels stays clean — no orange ring on a freshly detailed car.
Long Street-Service Life
In normal road use with matched pads and correct bedding, one StopFlex CCB rotor set is engineered to outlast several sets of iron replacement rotors, recovering part of the up-front cost.
Low Visible Dust
Matched with StopFlex pads, the system sheds a fraction of the dust an iron rotor and pad combination throws. Wheels stay clean for weeks of driving instead of days.
Winter & Cold-Weather Braking
A cold, untuned carbon-ceramic disc needs more pedal than iron on the first winter stops — normal material physics. StopFlex engineered the pad formula and disc coating specifically for cold starts, closing that gap: cold-car winter feel is now very close to summer feel. Keep a little extra distance on the coldest mornings; for harsh winters, choose Street Spec.
Choose Your Rotor: Street, Track-Day, or Motorsport
Street Spec
Ceramic coating, cross-drilled face, and large cooling channels.
Best for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.
Track-Day Spec
Ceramic coating, blank face, and honeycomb cooling channels.
Best for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.
Motorsport Spec
Uncoated blank face with honeycomb cooling channels.
Best for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.
Heat Management Note
Carbon ceramic rotors tolerate extreme surface temperature, but they do not remove every heat-management requirement. During repeated hard stops, heat still soaks into pads, fluid, seals, calipers, wheels, and nearby components. For long track sessions, mountain descents, or sustained aggressive driving, brake cooling and high-temperature fluid are still recommended.
Get Your Fitment Confirmed
Before ordering, tell us the exact vehicle, current rotor sizes, and caliper type. Nothing goes to production until the build is confirmed against your VIN-level configuration.
FAQ
Will this fit my exact Mustang trim?
This page covers only three S550 Shelby trims: the GT500, the GT350, and the GT350R. Fitment is tied to the exact factory rotor sizes for each. On the GT500 you run 420mm front and 370mm rear discs; on the GT350 and GT350R you run 394mm front and 380mm rear. If your car is a standard GT, EcoBoost, or Bullitt, it is not covered here because those cars do not use the Shelby caliper and rotor package. Direct Replacement requires the factory front caliper to be 4-piston or greater, which all listed Shelby trims already meet, so you reuse your OEM calipers.
Do these work in winter and cold weather?
Carbon-ceramic discs behave differently from iron when cold: an untuned cold ceramic disc bites less than cold iron on the first stops. That is physics, not a defect. StopFlex tunes both the pad compound and the disc's ceramic surface coating for cold-start behavior, so on the GT500 or GT350 the first cold pedal now feels very close to a warm summer pedal. On the coldest mornings, leave a little extra following distance for your first stop or two, then the system is at full bite. Your driving stays the same; you don't need special warm-up laps for street use.
Can I keep my factory calipers and wheels?
Yes. This is a Direct Replacement kit: the carbon-ceramic rotors, hats, pads, and floating hardware bolt to your existing Shelby calipers with no caliper swap and no bracket changes. Because the front factory calipers on the GT500, GT350, and GT350R are 4-piston or larger, they are engineered to clamp these discs correctly. You keep your OEM wheels as long as they already cleared the factory Shelby rotors, since the outside diameters match your listed factory sizes.
How much weight does this actually save?
The 420mm GT500 front discs and 394mm GT350/R front discs are where most of the savings live, since a full-diameter iron rotor at the front corner is heavy rotating and unsprung mass. Cutting that mass at the wheel improves how quickly the front axle changes direction and reduces the gyroscopic effort in steering. The rear 370mm (GT500) and 380mm (GT350/R) discs add further savings behind the axle line. You feel it most in transitions and in how the car settles after a bump, not just in a spec sheet number.
More Contact Information
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