2018-2026+ Alfa Romeo Stelvio CCB Big Brake Kit | Brembo GT6 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2018-2026+ Alfa Romeo Stelvio CCB Big Brake Kit — Genuine Brembo GT6 Front + Genuine Brembo GT4 Rear Setup
The 2018-2026+ Alfa Romeo Stelvio is heavy enough and fast enough to overwork iron rotors during repeated mountain or track braking, especially on open wheels where dust and heat discoloration are visible. This StopFlex kit pairs Brembo V6 / GT6 / GTS6 6-piston front caliper options with 380 or 405 mm carbon-ceramic front rotors and matched 355 mm rear carbon-ceramic hardware to reduce fade, dust, and rotating mass while keeping the brake package engineered around the exact Stelvio trim ordered. Fitment is not assumed from the Giorgio platform; rotor-hat offset, brackets, lines, and caliper mounting are built to the confirmed Stelvio configuration.
- Front axle uses Brembo V6 / GT6 / GTS6 6-piston caliper options with 380 or 405 mm StopFlex carbon-ceramic rotors; the 380 mm setup requires at least 19-inch wheels and spoke clearance must still be checked.
- Rear axle uses Brembo V4 / GT4 / GTS4 4-piston caliper options with 355 mm carbon-ceramic rotors to keep rear brake contribution matched to the front upgrade.
- Each Stelvio kit is built after the exact trim is confirmed, because standard Stelvio and Quadrifoglio configurations can differ in knuckle, hub, brake, and wheel-clearance details.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Alfa Romeo Stelvio |
| Model years | 2018-2026+ |
| Front setup | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options / 380/405mm |
| Rear setup | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options / 355mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 19" (for the 380 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 380 mm front rotor, so the minimum wheel size is 19". Wheels under 19" 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 axle is specified with Brembo V6 / GT6 / GTS6 6-Piston Caliper Options, giving the Stelvio a six-piston layout for broad pad support, consistent clamping, and a firmer pedal under repeated high-energy stops. The buyer chooses among V6 = Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper with 380 / 405 mm rotor, GT6 = Genuine Brembo GT | M6 6-Piston Caliper with 380 / 405 mm rotor, or GTS6 = Genuine Brembo GT | S6 6-Piston Caliper with 380 / 405 mm rotor. These are genuine Brembo caliper paths, not cosmetic covers or unbranded castings, and the brackets, hats, lines, and hardware are matched to the confirmed Stelvio trim.
Rear Caliper (Balance)
The rear axle uses Brembo V4 / GT4 / GTS4 4-Piston Caliper Options with a 355 mm rotor, adding rear thermal capacity and rear pad control so the front upgrade does not create a front-heavy brake feel. Rear packaging is engineered around the Stelvio’s factory electronic parking brake requirements where applicable.
Front & rear, engineered together: The 380 / 405 mm front and 355 mm rear carbon-ceramic package is specified as a system so piston area, rotor diameter, hat offset, and line routing are considered together. A matched front-and-rear kit helps preserve straight-line stability and ABS behavior better than mixing a large front conversion with an unverified rear setup.
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 | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options |
| Front CCB rotors | 380/405mm |
| Rear calipers | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options |
| Rear CCB rotors | 355mm |
| CCB brake pads | Matched for the supplied StopFlex carbon ceramic rotors |
| 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. |
| Front caliper option mapping | V6 = Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper — 380 / 405 mm rotor GT6 = Genuine Brembo GT | M6 6-Piston Caliper — 380 / 405 mm rotor GTS6 = Genuine Brembo GT | S6 6-Piston Caliper — 380 / 405 mm rotor |
| Rear caliper option mapping | V4 = Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper — 355 mm rotor GT4 = Genuine Brembo GT | M4 4-Piston Caliper — 355 mm rotor GTS4 = Genuine Brembo GT | S4 4-Piston Caliper — 355 mm rotor |
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 kit fit my exact 2018-2026+ Alfa Romeo Stelvio trim?
Fitment is confirmed per vehicle, not assumed from the Stelvio nameplate. StopFlex specifies the brackets, rotor-hat offsets, caliper mounts, lines, and hardware after your exact trim, current brake package, wheel size, and wheel offset are reviewed.
What wheel size do I need for the 380 or 405 mm front setup?
The 380 mm front rotor requires at least a 19-inch wheel, and wheels under 19 inches will not clear it. The 405 mm front option and any concave or low-offset wheel also require spoke-clearance verification before the kit is built.
Will the electronic parking brake still work?
The Stelvio uses a factory electric parking brake, so rear kit configuration must account for EPB function. StopFlex confirms the rear layout during order review instead of treating the rear caliper conversion as a generic 4-piston add-on.
Why choose carbon-ceramic rotors instead of another iron rotor setup?
Carbon-ceramic rotors reduce brake dust, resist heat-related fade, and cut rotating mass compared with iron rotors. On the Stelvio, that matters for repeated high-speed braking, open-wheel dust control, and sharper response from a heavy performance SUV.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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