2019-2026+ Porsche Cayenne (9Y0) GTS / Turbo / Turbo E-Hybrid 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 2019-2026+ Porsche Cayenne (9Y0) GTS / Turbo / Turbo E-Hybrid. Factory rotor specifications and the smallest wheel that clears each trim:
| Trim | Front Rotor (Factory) | Rear Rotor (Factory) | Min. Wheel Size |
|---|---|---|---|
| GTS | 390mm | 358mm | 20" |
| Turbo/Turbo E-Hybrid | 415mm (PSCB), 440mm (PCCB) | 365mm (PSCB), 410mm (PCCB) | 22" |
Keep Your Factory Calipers?
Yes — if your front factory calipers are fixed 4-piston or more. The rear axle has no restriction. Cars with 1- or 2-piston floating front calipers should use the Full Upgrade kit (calipers + discs) instead. Discs are built to the factory rotor specs shown above; if you run aftermarket calipers (Brembo, AP Racing, Alcon, Wilwood), we simply confirm the caliper model, pad shape, and rotor dimensions before production.
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 |
| Brake pad wear sensors | Included; 100% compatible with the OEM wear-sensor system. |
| 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
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.
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.
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
Send the exact vehicle details, current rotor sizes, and caliper type before ordering. Every StopFlex order is confirmed against your VIN-level configuration before production.
FAQ
Will this fit my Cayenne if it has PSCB and not PCCB?
Yes, as long as your trim and rotor size match this page. On the 9Y0 GTS the front rotor is 390mm and the rear is 358mm. On the Turbo and Turbo E-Hybrid the fronts are either 415mm (PSCB) or 440mm (PCCB), with rears of 365mm (PSCB) or 410mm (PCCB). These are direct-replacement carbon-ceramic discs that reuse your factory calipers, so both PSCB and PCCB cars are covered provided you order the exact size that matches what's on the car now. Measure the disc diameter or check your build sheet before ordering.
Does this work with the factory 4-piston front calipers?
Yes. Direct Replacement is valid because every 9Y0 GTS, Turbo, and Turbo E-Hybrid in this configuration runs a front caliper with four pistons or more. The kit is engineered to bolt to those calipers using new carbon-ceramic rotors, hats, and floating hardware, so no caliper change is needed. The rear has no piston-count restriction and reuses the factory rear caliper and electronic parking brake mechanism as-is.
How do these behave in winter and on a cold first stop?
Any carbon-ceramic disc bites less when it's cold than cold iron does — that's physics, not a fault. On the 9Y0 we address it two ways: the low-metallic resin-composite pad and the disc's ceramic coating are both tuned for cold engagement, so the first stops on a freezing morning feel very close to a warmed-up summer stop. It's still smart to leave a little extra following distance on your first one or two stops before the system has come up to temperature, exactly as you would with the factory PCCB setup.
Will the dashboard pad-wear warning still work after I install these?
Yes. This kit includes brake pad wear sensors that are 100% compatible with the Porsche OEM wear-sensor system on the 9Y0. The factory pad-wear warning keeps functioning normally, with no dashboard errors or warning lights triggered by the swap. You keep the same wear monitoring you had with the original carbon-ceramic pads.
More Contact Information
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