2015-2023 Toyota Alphard (AH30) CCB Big Brake Kit | Advics OEM Lexus 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2015-2023 Toyota Alphard / Vellfire (AH30) CCB Big Brake Kit — Genuine Advics OEM Lexus 6-Piston Caliper Front + Genuine Brembo GT4 Rear Setup
The AH30 Alphard / Vellfire is a heavy luxury MPV, so repeated braking with passengers, luggage, or mountain-road heat can overwork the factory iron brake package. This StopFlex kit pairs a Genuine Advics OEM Lexus 6-Piston Caliper with a 400 mm front carbon-ceramic rotor, then matches the rear with Brembo V4 / GT4 / GTS4 4-piston 380 mm options for heat capacity, lower dust, and reduced rotating mass. Every bracket, rotor hat offset, and caliper position is built for the buyer's exact AH30 trim rather than treated as a platform-wide bolt-on.
- 400 mm front carbon-ceramic rotor requires 20 inch or larger wheels on the AH30 Alphard / Vellfire; spoke clearance must still be checked before production.
- Front axle uses the exact Genuine Advics OEM Lexus 6-Piston Caliper with StopFlex carbon-ceramic rotors, pads, hats, hardware, and lines.
- Rear axle is matched to a 380 mm carbon-ceramic rotor with V4, GT4, or GTS4 Brembo 4-piston caliper options to avoid a front-heavy brake mismatch.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Toyota Alphard / Vellfire (AH30) |
| Model years | 2015-2023 |
| Front setup | Genuine Advics OEM Lexus 6-Piston Caliper / 400mm |
| Rear setup | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options / 380mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 20" (for the 400 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 400 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 Advics OEM Lexus 6-Piston Caliper, giving the AH30 a fixed multi-piston layout that spreads clamping load across the pad for firmer pedal response and more consistent pressure on the 400 mm rotor. Its credibility comes from being a genuine OEM-derived Lexus/Advics performance caliper rather than an unbranded casting. StopFlex pairs it with carbon-ceramic rotors, vehicle-specific hats, pads, hardware, and lines for the confirmed Alphard or Vellfire trim.
Rear Caliper (Balance)
The rear package uses Brembo V4 / GT4 / GTS4 4-Piston Caliper Options on a 380 mm rotor: V4 is the Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper, GT4 is the Genuine Brembo GT | M4 4-Piston Caliper, and GTS4 is the Genuine Brembo GT | S4 4-Piston Caliper. The rear is specified to support brake balance and straight-line stability under heavy braking, with EPB retention engineered where the vehicle is equipped with the factory electronic parking brake.
Front & rear, engineered together: The 400 mm front and 380 mm rear package is engineered as a matched system so piston area, rotor diameter, pad selection, and rear parking-brake requirements are addressed together. For a heavy AH30 MPV, this matters more than a front-only upgrade because rear contribution affects pitch control, ABS behavior, and stability during repeated high-energy 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 Advics OEM Lexus 6-Piston Caliper |
| Front CCB rotors | 400mm |
| Rear calipers | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options |
| 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. |
| Rear caliper option mapping | V4 = Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper — 380 mm rotor GT4 = Genuine Brembo GT | M4 4-Piston Caliper — 380 mm rotor GTS4 = Genuine Brembo GT | S4 4-Piston Caliper — 380 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 Alphard or Vellfire AH30 trim?
Fitment is not assumed from the AH30 chassis name. StopFlex confirms your exact model year, trim, drivetrain, hub geometry, wheel data, and brake configuration before machining brackets and rotor hats.
What wheels do I need for the 400 mm front rotor?
The 400 mm front carbon-ceramic rotor requires 20 inch or larger wheels. Wheel diameter alone is not enough; spoke shape, barrel profile, and offset must clear the Genuine Advics OEM Lexus 6-Piston Caliper.
Will the factory electronic parking brake still work?
If your AH30 is equipped with factory EPB, the rear package is engineered around EPB retention instead of deleting the parking-brake function. StopFlex verifies the rear configuration before finalizing the Brembo 4-piston rear option.
Why choose carbon-ceramic instead of another iron big brake kit?
Carbon-ceramic rotors reduce brake dust and rotating mass while increasing heat capacity for repeated stops in a loaded Alphard or Vellfire. The payoff is cleaner wheels, less heat fade, and a lighter rotor package than a comparable 400 mm iron setup.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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