2015-2025 Lexus RC (SC10 / USC10) CCB Big Brake Kit | Brembo GT350 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
We Ship Worldwide
2015-2025 Lexus RC / F (SC10 / USC10) CCB Big Brake Kit — Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper Front + TTSPORT EP4 4-Piston Caliper with EPB Rear Setup
RC and RC F owners usually reach this kit after heavy street use or track days expose the limits of iron rotors: heat fade, rotor mass, pad dust, and repeated rotor replacement. This StopFlex kit uses a 390mm front carbon-ceramic rotor with the Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper, plus a 380mm rear carbon-ceramic rotor with the TTSPORT EP4 4-Piston Caliper with EPB. Each order is engineered to the confirmed SC10 or USC10 trim, so bracket geometry, rotor-hat offset, and caliper position are matched to the actual car instead of assumed from the RC chassis name.
- 390mm front carbon-ceramic rotors require 20-inch or larger wheels on the Lexus RC / RC F; spoke clearance is checked before production.
- The front axle uses the Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper, giving this RC / RC F kit an OEM-derived performance caliper instead of a generic aftermarket casting.
- The rear package pairs 380mm carbon-ceramic rotors with the TTSPORT EP4 4-Piston Caliper with EPB for added rear thermal capacity while supporting electronic parking-brake integration where the car is equipped for it.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Lexus RC / F (SC10 / USC10) |
| Model years | 2015-2025 |
| Front setup | Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper / 390mm |
| Rear setup | TTSPORT EP4 4-Piston Caliper with EPB / 380mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 20" (for the 390 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 390 mm front rotor, so the minimum wheel size is 20". Wheels under 20" 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 Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper is the primary front upgrade in this kit, adding a six-piston fixed-caliper layout to distribute clamp load across the pad face and stabilize pedal response under repeated high-energy stops. Its credibility comes from being a genuine OEM-derived Brembo performance caliper used on the Shelby GT350 Mustang, not an unbranded universal caliper. StopFlex engineers the front mounting bracket, rotor-hat offset, and 390mm carbon-ceramic rotor position around the buyer’s exact RC or RC F trim and wheel package.
Rear Caliper (Balance)
The TTSPORT EP4 4-Piston Caliper with EPB adds rear-axle braking capacity to support the 390mm front upgrade instead of leaving the rear axle thermally underbuilt. The EP4 uses four hydraulic service pistons plus a dedicated EPB actuator piston, preserving electronic parking-brake function on compatible RC / RC F configurations.
Front & rear, engineered together: This kit is engineered as a front-and-rear system so the 390mm front rotor and 380mm rear rotor work with matched hydraulic capacity, rotor mass, and caliper placement. Building both axles together reduces the risk of a front-heavy mismatch that can lengthen stops, overwork the front tires, or make the rear axle feel disconnected during trail braking.
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 Ford Shelby GT350 Mustang 6-Piston Caliper |
| Front CCB rotors | 390mm |
| Rear calipers | TTSPORT EP4 4-Piston Caliper with EPB |
| Rear CCB rotors | 380mm |
| 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. |
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. |
TTSPORT EP4S rear caliper specification (the EP4 shares the same engineering, slightly more compact):
| Specification | EP4S |
|---|---|
| Axle position | Rear |
| Piston count | 4 hydraulic + 1 EPB actuator |
| Piston type | Two-piece heat-insulated, dust boots + EPB actuator |
| Piston diameter | 28 mm × 4 / 27 mm × 1 |
| Total piston area | 30.4 cm² per caliper |
| Manufacturing process | Two-piece forged aluminum body |
| Net weight | 4.50 kg per caliper (no pads) |
| Surface finish | High-temperature gloss coating |
| Recommended wheel size | 18 in or larger |
FAQ
Will this kit fit my exact 2015-2025 Lexus RC or RC F trim?
Fitment is confirmed per vehicle, not assumed from the SC10 / USC10 chassis name. StopFlex checks your model year, trim, hub and upright configuration, wheel size, wheel offset, and spoke profile before finalizing brackets, rotor-hat offsets, and caliper mounting.
What wheel size do I need for the 390mm front rotor?
The 390mm front carbon-ceramic rotor requires 20-inch or larger wheels. Diameter is only the first check; the Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper also needs spoke clearance, so wheel model, width, offset, and template clearance must be confirmed.
Will the electronic parking brake still work?
On RC / RC F configurations equipped with EPB, the TTSPORT EP4 rear caliper is selected because it uses four hydraulic service pistons plus a dedicated EPB actuator piston. If your specific car uses a foot-operated cable parking brake instead, StopFlex verifies the rear parking-brake architecture before confirming the rear package.
Why choose carbon-ceramic rotors instead of another iron big-brake kit?
Carbon-ceramic rotors reduce rotating and unsprung mass compared with similar-size iron rotors, generate much less visible brake dust, and tolerate repeated heat cycles better in aggressive street and track use. On this RC / RC F kit, the payoff is a 390mm front and 380mm rear thermal package without carrying the same rotor mass as an iron setup.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
More Contact Information
We’re here to help! Whether you need expert advice on brake setups, have questions about your order, or just want to share feedback, our team is ready to assist you. Reach out via your preferred channel below, or use the inquiry form.
Get in Touch
Business Hours
Monday – Saturday, 9:30 AM – 6:30 PM (GMT +8)
Current Time:
Follow Us
- Choosing a selection results in a full page refresh.