2014-2019 Porsche 911 Turbo (991) CCB Big Brake Kit | Brembo OEM Porsche 911 GT3 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2014-2019 Porsche 911 (991) Turbo / S CCB Big Brake Kit — Genuine Brembo OEM Porsche 911 GT3 6-Piston Caliper Front + Genuine Brembo OEM Porsche 911 GT3 4-Piston Caliper Rear Setup
The 2014-2019 Porsche 911 (991) Turbo / S can overwork iron brakes during repeated high-speed stops, while factory carbon-ceramic replacement costs make cracked or worn PCCB hardware expensive to service. This StopFlex kit pairs a 410mm front carbon-ceramic rotor with the Genuine Brembo OEM Porsche 911 GT3 6-Piston Caliper and a 390mm rear carbon-ceramic package to add heat capacity, reduce brake dust, and cut rotating mass at all four corners. Brackets, rotor-hat offsets, caliper mounting, lines, and hardware are engineered for the customer’s exact 991 Turbo or Turbo S trim, not assumed from the shared 991 chassis name.
- 410mm front and 390mm rear carbon-ceramic rotors require 21-inch or larger wheels; wheels under 21 inches will not clear the front rotor, and spoke clearance must still be checked.
- The front axle uses the Genuine Brembo OEM Porsche 911 GT3 6-Piston Caliper, giving the 991 Turbo / S a GT3-derived six-piston clamp package matched to the 410mm rotor.
- Factory Porsche pad-wear warning function is retained with 100% compatible wear sensors, so the OEM pad-wear system continues working without dashboard errors.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Porsche 911 (991) Turbo / S |
| Model years | 2014-2019 |
| Front setup | Genuine Brembo OEM Porsche 911 GT3 6-Piston Caliper / 410mm |
| Rear setup | Genuine Brembo OEM Porsche 911 GT3 4-Piston Caliper / 390mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 21" (for the 410 mm front rotor) |
Every StopFlex kit is bespoke-engineered for your exact model and trim — the brackets, rotor-hat offsets, and caliper mounting are matched to your specific car, not assumed from the platform. This matters because trims that share a chassis name can differ mechanically: a pure M or performance variant often carries different front knuckles/uprights, hub geometry, and wheel axial (ET) clearance than the standard models in the same family, so a bracket and hat offset that bolt onto one are not the same parts that fit the other. StopFlex supplies the calipers, pads, rotor hats, floating hardware, and brake lines as a matched system built to your confirmed trim. Cars with modified knuckles, modified uprights, or non-factory suspension mounting points must be reviewed before ordering and are not treated as direct-fit.
This setup uses a 410 mm front rotor, so the minimum wheel size is 21". Wheels under 21" will not clear the caliper and rotor, and spoke profile and offset affect clearance too — confirm your exact wheels before ordering.
| Wheel Size (Standard) | Disc Range |
|---|---|
| 15" | 260 mm – 285 mm |
| 16" | 285 mm – 300 mm |
| 17" | 300 mm – 330 mm |
| 18" | 330 mm – 355 mm |
| 19" | 355 mm – 380 mm |
| 20" | 380 mm – 400 mm |
| 21" | 400 mm – 420 mm |
| 22" | 420 mm – 440 mm |
Caliper Overview — Front & Rear Balance
Front Caliper (Primary Upgrade)
The front upgrade uses the exact Genuine Brembo OEM Porsche 911 GT3 6-Piston Caliper, a six-piston fixed caliper selected to distribute clamp load across a larger pad area and support consistent pedal response on a 410mm rotor. Its Brembo OEM Porsche GT3 provenance matters because the caliper architecture comes from a factory performance application rather than an anonymous aftermarket casting. StopFlex matches the front caliper mounting and rotor-hat offset to the confirmed 991 Turbo or Turbo S configuration before production.
Rear Caliper (Balance)
The rear axle uses the Genuine Brembo OEM Porsche 911 GT3 4-Piston Caliper with a 390mm carbon-ceramic rotor, so rear braking torque is increased in proportion to the front upgrade instead of leaving the car front-heavy under hard braking. The 991 electronic parking-brake system is retained as part of the rear package engineering.
Front & rear, engineered together: The 410mm six-piston front and 390mm four-piston rear package is engineered as a complete brake system so pedal travel, brake bias, thermal load, and ABS behavior remain predictable. A front-only conversion on a 991 Turbo / S can create a mismatch in rear contribution and heat capacity; this kit sizes the rear hardware to work with the front upgrade.
Make It Yours — Color & Logo Customization
Every StopFlex kit-upgrade order can be finished with custom caliper colors, a custom caliper logo, and custom rotor hat colors, so the brake package matches your exact build instead of a fixed off-the-shelf look.
- Custom caliper color
- Custom caliper logo
- Custom rotor hat color
Why StopFlex CCB
Lower Unsprung Mass
StopFlex carbon-ceramic rotors are engineered to reduce rotor mass versus comparable iron discs, helping the suspension react cleaner and the steering feel more precise.
High-Temperature Stability
The carbon-silicon-carbide matrix is built for stable braking behavior at temperatures that can push iron rotors into heavy fade.
Rust-Free Rotor Surface
Carbon ceramic does not form orange flash rust after rain, washing, or storage, keeping the visible rotor face cleaner behind open wheels.
Long Street-Service Potential
In normal road use with matched pads and proper bedding, StopFlex CCB rotors are designed for far longer service life than typical iron replacement rotors.
Low Visible Dust
When paired with matched StopFlex pads, the system produces very low visible brake dust compared with conventional iron rotor and pad combinations.
Premium Ceramic-Glaze Appearance
StopFlex's proprietary coating creates a bright, high-end ceramic-glaze finish with subtle glaze texture and a more premium visual character behind open wheels.
Street-Usable Cold Bite
Street Spec and Track-Day Spec rotors are designed for normal first-stop road use, including cold-weather operation. Motorsport Spec is the competition-focused exception.
Continuous Fiber Reinforcement
Long-fiber carbon ceramic construction improves structural strength and thermal durability versus chopped-fiber approaches.
Heat Management Note
Carbon ceramic rotors tolerate extreme surface temperature, but they do not remove every heat-management requirement. During repeated hard stops, heat can still soak 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.
Street / Track-Day / Motorsport Rotor Options
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.
Package Scope
| Item | Details |
|---|---|
| Front calipers | Genuine Brembo OEM Porsche 911 GT3 6-Piston Caliper |
| Front CCB rotors | 410mm |
| Rear calipers | Genuine Brembo OEM Porsche 911 GT3 4-Piston Caliper |
| Rear CCB rotors | 390mm |
| CCB brake pads | Matched for the supplied StopFlex carbon ceramic rotors |
| Brake pad wear sensors | Included; 100% compatible with the OEM wear-sensor system. |
| Rotor hats and floating hardware | Vehicle-specific hardware package |
| Brake lines | Included for complete kit-upgrade orders |
| Color customization | Custom caliper colors, a custom caliper logo, and custom rotor hat colors are available for every kit-upgrade order. |
| Order scope | Default listing is full-car set when front and rear are specified. Front-only or rear-only orders can be arranged after confirmation. |
EPB & Rear Caliper Options
This vehicle leaves the factory with an electronic parking brake (EPB) built into the rear brake, so the rear of the kit is built to keep that EPB working. There are two rear paths. The first is a dual-caliper rear: a main performance caliper handles braking while a dedicated EPB actuator caliper is retained alongside it, so the electronic parking brake, auto-hold, and hill-start assist all keep working; on this path the rear performance caliper can be the TTSPORT EP4 / EP4S 4-piston caliper. The second is an EPB-integrated caliper, a single rear caliper with the electromechanical parking-brake motor built in for a cleaner install with fewer parts behind the wheel; on this path the rear is the TTSPORT EP4 / EP4S 4-piston caliper with integrated EPB. Which path fits best depends on your exact trim and EPB configuration, your budget, your appearance preference, and your wheel size and spoke clearance. Confirm your car's rear-brake configuration with StopFlex before ordering so the correct EPB-compatible rear option is built for your kit.
| Rear option | What it is | Rear caliper | Best when |
|---|---|---|---|
| Dual caliper (EPB retained) | Performance caliper plus a dedicated EPB actuator caliper, both fitted on the rear, so the factory electronic parking brake keeps working. | TTSPORT EP4 / EP4S 4-Piston Caliper | You want guaranteed factory EPB, auto-hold, and hill-start behavior preserved. |
| EPB-integrated caliper | A single rear caliper with the electromechanical parking-brake motor built in, for a cleaner install with fewer parts behind the wheel. | TTSPORT EP4 / EP4S 4-Piston Caliper with integrated EPB | You want a cleaner single-caliper rear with full EPB function. |
FAQ
Will this fit my exact 2014-2019 Porsche 911 Turbo or Turbo S?
StopFlex does not treat every 991 as mechanically identical. Before production, the kit is matched to your exact year, Turbo or Turbo S trim, hub geometry, caliper mounting, rotor-hat offset, and wheel clearance so the brackets and hats are built for your car’s confirmed configuration.
What wheel size do I need for the 410mm front rotor?
The 410mm front rotor requires 21-inch or larger wheels. Wheels under 21 inches will not clear the rotor, and even with 21-inch wheels the spoke profile, wheel offset, and caliper barrel clearance must be verified before the kit is built.
Will the electronic parking brake and pad-wear warning still work?
Yes. The 991 Turbo / S factory electronic parking brake is retained in the rear system, and the included pad wear sensors are compatible with Porsche’s OEM wear-sensor circuit so the factory pad-wear warning continues to function without dashboard errors.
Why choose this kit instead of replacing factory iron or PCCB parts?
Compared with iron hardware, the carbon-ceramic rotors reduce brake dust and rotating mass while adding heat resistance for repeated high-speed stops. Compared with replacing worn or cracked OEM carbon-ceramic components through the dealer, this kit provides a complete StopFlex-engineered package with calipers, rotors, pads, hats, hardware, lines, and trim-specific fitment.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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