2012-2026+ Tesla Model S CCB Big Brake Kit | Akebono 10N 10-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2012-2026+ Tesla Model S / Performance / Plaid CCB Big Brake Kit — Genuine Akebono OEM Porsche 10-Piston (10N) Caliper Front + TTSPORT EP4 4-Piston Caliper with EPB Rear Setup
Model S Performance and Plaid owners shop carbon-ceramic brakes because the car's acceleration and curb weight can overwork the factory iron system during repeated high-speed stops, mountain driving or track use. This StopFlex kit pairs 420mm front carbon-ceramic rotors with Genuine Akebono OEM Porsche 10-Piston (10N) Calipers and 380mm rear carbon-ceramic rotors with TTSPORT EP4 4-Piston Calipers with EPB, giving the car more thermal capacity, lower brake dust and a matched front/rear package. Each kit is built around the confirmed Model S trim and wheel package so bracket geometry, rotor-hat offset and caliper clearance are not assumed from the chassis name alone.
- 420mm front carbon-ceramic rotors require 21-inch or larger wheels on this Model S kit; wheels under 21 inches will not clear the rotor, and spoke clearance still must be checked.
- The front axle uses the exact Genuine Akebono OEM Porsche 10-Piston (10N) Caliper specified for this kit, paired with StopFlex carbon-ceramic rotors, pads, hats, hardware and lines.
- The rear axle uses a 380mm carbon-ceramic rotor with TTSPORT EP4 4-Piston Caliper with EPB, preserving electronic parking brake function while adding rear thermal capacity.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Tesla Model S / Performance / Plaid |
| Model years | 2012-2026+ |
| Front setup | Genuine Akebono OEM Porsche 10-Piston (10N) Caliper / 420mm |
| Rear setup | TTSPORT EP4 4-Piston Caliper with EPB / 380mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 21" (for the 420 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 420 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 Genuine Akebono OEM Porsche 10-Piston (10N) Caliper, giving the Model S a large multi-piston fixed-caliper layout for stable pad loading and consistent pedal response under repeated heavy stops. Its OEM-derived Akebono/Porsche provenance matters because the caliper architecture was developed for high-output production performance cars, not as a generic decorative casting. StopFlex matches this caliper to the 420mm carbon-ceramic front rotor, vehicle-specific bracket geometry and the customer's confirmed trim and wheel clearance.
Rear Caliper (Balance)
The rear uses the TTSPORT EP4 4-Piston Caliper with EPB on a 380mm carbon-ceramic rotor, adding rear-axle braking capacity instead of leaving the rear system as an afterthought. The EP4 design uses 4 hydraulic service pistons for braking plus a dedicated EPB actuator piston, so the Model S retains electronic parking brake convenience.
Front & rear, engineered together: This kit is engineered as a front and rear system so the 420mm front rotor and 380mm rear rotor work with matched caliper sizing, pad selection and rotor-hat offsets. Building both axles together avoids the brake-bias and heat-management compromises that can come from installing a large front-only upgrade on a heavy, high-power Model S.
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 Akebono OEM Porsche 10-Piston (10N) Caliper |
| Front CCB rotors | 420mm |
| 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 Model S, Performance or Plaid?
Fitment is confirmed per exact year, trim and wheel package before production. StopFlex does not assume that every 2012-2026+ Model S shares the same bracket offset, rotor-hat offset, upright geometry or wheel clearance, especially across Performance and Plaid variants.
What wheel size do I need for the 420mm front rotor?
This kit requires 21-inch or larger wheels because the front rotor is 420mm. Wheel diameter is only the first check; spoke shape, barrel profile and offset also have to clear the Genuine Akebono OEM Porsche 10-Piston (10N) Caliper.
Will the electronic parking brake still work?
Yes. The rear package uses the TTSPORT EP4 4-Piston Caliper with EPB, which combines hydraulic service pistons for braking with a dedicated EPB actuator piston so the Model S retains electronic parking brake function.
Why choose carbon-ceramic on a Model S instead of another iron big-brake kit?
Carbon-ceramic rotors are chosen for repeated heat load, lower brake dust and reduced rotating mass versus comparable iron hardware. On a heavy, high-acceleration Model S Performance or Plaid, that matters most during repeated high-speed braking, track sessions and open-wheel street use where dust and rotor temperature are persistent concerns.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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