2018-2026+ Lexus LC (J100) 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.
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2018-2026+ Lexus LC (J100) CCB Big Brake Kit — Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper Front + TTSPORT EP4 4-Piston Caliper with EPB Rear Setup
The 2018-2026+ Lexus LC is heavy, powerful, and often driven on large open-spoke wheels, so owners shopping carbon-ceramic brakes are usually trying to reduce heat fade, iron dust, and front-end rotating mass without losing factory street manners. This StopFlex kit uses a 390mm front carbon-ceramic rotor with the Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper, paired to a 380mm rear carbon-ceramic rotor and TTSPORT EP4 4-Piston Caliper with EPB. Every LC kit is built around the confirmed trim, hub geometry, wheel package, and clearance data, so the bracket stack and hat offsets are specified for that exact car rather than assumed from the J100 chassis name.
- 390mm front and 380mm rear carbon-ceramic rotors give the LC J100 more thermal mass for repeated high-speed stops while reducing the brake dust associated with iron rotors.
- The front axle uses the exact Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper, selected for strong clamp distribution and consistent pedal response on a heavy grand-touring coupe.
- The rear package uses a TTSPORT EP4 4-Piston Caliper with EPB so LC owners keep electronic parking-brake operation while adding rear-axle carbon-ceramic capacity.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Lexus LC (J100) |
| Model years | 2018-2026+ |
| 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 front upgrade uses the Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper, a six-piston fixed caliper that spreads clamping force across the pad for stable pedal feel and even pressure on the 390mm rotor. Its OEM Ford Shelby GT350 provenance matters because it is a genuine Brembo performance caliper from a production track-capable application, not an unbranded universal casting. StopFlex engineers the LC-specific mounting brackets, hat offsets, and brake-line routing around this exact caliper and the customer’s confirmed trim.
Rear Caliper (Balance)
The rear axle uses the TTSPORT EP4 4-Piston Caliper with EPB on a 380mm carbon-ceramic rotor to add rear thermal capacity and keep braking balance from becoming front-heavy. The EP4 architecture uses four hydraulic service pistons plus a dedicated EPB actuator piston, preserving factory electronic parking-brake convenience.
Front & rear, engineered together: This LC kit is engineered as a front-and-rear system so the 390mm six-piston front package and 380mm EPB rear package work together instead of creating a front-only bias shift. Matching rotor diameter, piston area, hat offset, and caliper position by exact trim helps maintain predictable braking stability under repeated high-speed stops.
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 fit my exact 2018-2026+ Lexus LC trim?
StopFlex does not treat all J100 LC models as one bolt-on fitment. Your kit is specified after confirming the exact LC 500, LC 500h, or convertible trim, model year, hub data, wheel size, offset, and spoke clearance so the brackets and rotor-hat offsets match your car.
What wheel size is required for the 390mm front rotor?
The 390mm front carbon-ceramic rotor requires 20-inch or larger wheels. Diameter alone is not enough; the Genuine Brembo OEM Ford Shelby GT350 Mustang 6-Piston Caliper also needs spoke clearance, so StopFlex verifies the wheel design before finalizing the kit.
Will the Lexus LC electronic parking brake still work?
Yes, this kit uses the TTSPORT EP4 4-Piston Caliper with EPB at the rear, which includes four hydraulic service pistons for braking and a dedicated EPB actuator piston for parking-brake function. The goal is to add rear carbon-ceramic capacity without deleting the LC’s factory EPB convenience.
Why choose this carbon-ceramic kit instead of replacing factory iron brakes?
Carbon-ceramic rotors reduce brake dust, resist heat fade during repeated high-speed stops, and cut rotating mass compared with iron hardware. On the Lexus LC, that matters because the car combines grand-touring weight, large wheels, and enough speed to punish front brakes during mountain driving or track sessions.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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