6-Piston Forged Caliper
6-piston forged caliper with staggered 30 / 34 / 38 mm pistons for even pad loading
Email: sales@ttsport-racing.com
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Product Detail
xEvolution Series · Front Axle · Platform-Adapted BBK
Evolution EB6 6-Piston Front Big Brake Kit
The TTSPORT Evolution EB6 is a front-axle 6-piston big brake kit built for drivers who need stronger thermal capacity, firmer pedal feedback, and more repeatable stopping performance than a factory brake system can deliver. A two-piece forged aluminum caliper, staggered piston layout, and 36 mm two-piece rotors work together to control heat and keep modulation predictable lap after lap and stop after stop.
Why Builders Choose the EB6
Stock front brakes on heavier sport sedans, SUVs, and tuned platforms run out of pad area, piston count, and rotor mass long before the chassis runs out of grip. The EB6 addresses all three at once: more clamping force from six pistons, a larger pad footprint for bite, and a 380–410 mm rotor face with 36 mm vane depth to absorb and shed heat. The result is a brake system that resists fade during repeated hard stops and gives the pedal a consistent, linear feel.
Two-Piece 36 mm Rotors
Two-piece 36 mm-thick rotors in 380, 390, or 410 mm diameters
Steel or Carbon-Ceramic Options
Steel or carbon-ceramic (CCB) rotor options
Stainless-Steel Braided Lines
Stainless-steel braided lines for a firmer, more consistent pedal
Caliper Architecture
The EB6 caliper body is forged in two pieces from aluminum, then CNC-finished. Forging compacts the grain structure of the alloy so the caliper resists flex under high line pressure — a flexing caliper wastes pedal travel and dulls bite. Six two-piece, heat-insulated pistons with dust boots push the pad against the rotor; the staggered diameters (30 mm leading, 34 mm middle, 38 mm trailing) compensate for pad taper so the pad wears evenly and bites cleanly from the first millimeter of travel.
Total Piston Area
Total piston area: 55.0 cm² per caliper. The larger pad face plus higher clamping force gives the EB6 noticeably more torque at the front axle than typical 4-piston kits.
Rotor & Heat Capacity
Rotor mass is what actually absorbs energy during a stop. The EB6 runs a two-piece, internally vented rotor 36 mm thick and 380, 390, or 410 mm in diameter, mounted to a CNC-machined aluminum hat. Steel rotors are heat-treated high-carbon cast iron, available in curved-slot, grain-slot, wave-slot, or drilled-and-slotted face patterns. Carbon-ceramic (CCB) rotors are offered for drivers who want the lowest unsprung weight and the highest sustained operating temperature.
Pedal Feel & Brake Lines
Stainless-steel braided lines replace OE rubber hoses on each corner that the kit serves. The three-layer build — PTFE inner liner, SUS304 stainless braid, PVC outer sheath — virtually eliminates hose expansion under pressure, so more of your pedal effort becomes clamping force at the pad. The pedal feels firmer at the top of travel, modulation is more linear, and feedback at threshold braking is sharper.
Technical Specifications & Kit Options
| Brake Caliper | ||
|---|---|---|
| Series | Evolution Series | |
| Model | EB6 | |
| Axle Position | Front | |
| Piston Count | 6-piston | |
| Piston Type | Two-piece heat-insulated, with dust boots | |
| Piston Diameters | 30 mm × 2 / 34 mm × 2 / 38 mm × 2 | |
| Total Piston Area | 55.0 cm² per caliper | |
| Caliper Dimensions | L 335 × W 160 × H 102 mm | |
| Construction | Two-piece forged aluminum | |
| Net Weight | 4.6 kg per caliper (without pads) | |
| Surface Finish | High-temperature gloss coating | |
| Recommended Wheel Size | 19 in or larger | |
| Recommended Rotor Size | Ø380–410 mm × 36 mm | |
| Brake Rotor Options | ||
| Rotor Option | Steel / High-Carbon Option | Carbon-Ceramic Option |
| Rotor Material | Steel (High-Carbon) | Carbon-Ceramic (CCB) |
| Diameter × Thickness | Ø380 / 390 / 410 × 36 mm | Ø380 / 390 / 410 × 36 mm |
| Construction | Two-piece, internally vented | Two-piece, internally vented |
| Mounting | Fixed or floating (size-dependent) | Floating |
| Rotor Face Pattern | Curved / Grain / Wave slot or drilled-and-slotted | Cross-drilled |
| Directional | Yes — left/right specific | Yes — left/right specific |
| Brake Pad Options | ||
| Pad Option | Steel-Rotor Pad | Carbon-Ceramic Pad |
| Compatible Rotor Material | Steel / high-carbon rotors only | Carbon-ceramic rotors only |
| Operating Temperature Range | 0–600 °C | 0–700 °C |
| Average Friction Coefficient | Average μ: 0.38 | Average μ: 0.45 |
| Lines | ||
| Brake Line Construction | Three-layer construction | |
| Brake Line Material | PTFE inner liner / SUS304 stainless braid / PVC protective outer sheath | |
| Brake Line Fittings | Vehicle-specific, caliper- and chassis-side | |
| Brackets | ||
| Rotor Hats | CNC-machined high-strength aluminum alloy | |
| Caliper Brackets | CNC-machined carbon steel, radial mount | |
| Caliper Mounting | Radial mount with vehicle-specific brackets | |
| Fitment & Installation | ||
| Minimum Spoke Clearance | 103 mm | |
| Recommended Wheel Size | 19 in or larger | |
| Rotor Diameter Selection | 380, 390, or 410 mm, selected according to application and wheel clearance | |
| Bedding-In Procedure | Required before aggressive use | |
Each rotor option ships with a matched pad. The steel-rotor pad runs a 0–600 °C operating window with an average friction coefficient of 0.38 — strong enough for hard street and track-day use without chewing into the rotor face. The CCB pad is formulated specifically for carbon-ceramic discs, with a 0–700 °C window and average μ of 0.45 for higher torque at sustained high temperatures. Friction varies with temperature, line pressure, and rotor condition.
Package List
Calipers ×2
2 × EB6 forged 6-piston front calipers (left/right)
Brake Pads
1 × Set of matched brake pads for both calipers
Brake Rotors ×2
2 × Two-piece front rotors (steel or CCB, size of choice)
Caliper Brackets ×2
2 × CNC carbon-steel caliper mounting brackets
Rotor Hats ×2
2 × CNC aluminum rotor hats
Brake Hoses ×2
2 × Stainless-steel braided brake lines
Mounting hardware is included. A proper bedding-in procedure is required before aggressive use to transfer pad material evenly to the rotor face and stabilize friction.
Will It Fit? Your 3-Step Check
Wheel fitment is your responsibility. We will help you verify, but final clearance must be confirmed against your specific wheels and any spacers in use.
1. Wheel Diameter
The EB6 caliper requires a minimum 19-inch wheel.
2. Spoke Clearance
The EB6 caliper requires at least 103 mm of internal spoke clearance.
3. Vehicle Model
The EB6 is a platform-adapted big brake kit. Caliper brackets and brake-line fittings are manufactured to your specific vehicle. Confirm year, make, model, trim, and current wheel setup at checkout, or contact us first if you want a fitment confirmation in writing.
Many 19" OE wheels with thick spokes or deep concave faces will not clear; aftermarket forged wheels usually will. If you are unsure, send us a photo of the back of your wheel along with the rotor diameter you want to run and we will confirm clearance before you order.
Installation & Break-In
- Radial mount with vehicle-specific brackets.
- Brake line fittings are vehicle-specific on the caliper side and chassis side.
- Rotor diameter selection is 380, 390, or 410 mm, selected according to application and wheel clearance.
- A proper bedding-in procedure is required before aggressive use to transfer pad material evenly to the rotor face and stabilize friction.
Frequently Asked Questions
What size wheels do I need to clear the EB6 caliper?
The EB6 requires a 19-inch or larger wheel with at least 103 mm of internal spoke clearance. Some 19" OE wheels will not clear due to spoke geometry — send us a photo of your wheel barrel if you are not sure.
Should I choose 380, 390, or 410 mm rotors?
Larger rotors add thermal capacity and brake torque but require more wheel clearance and add rotational mass. 380 mm is the safe baseline for most 19" wheels; 390 and 410 mm are for drivers who do repeated hard stops or track work and have the wheel size to support them.
Steel rotors or carbon-ceramic (CCB)?
Steel high-carbon rotors handle hard street and track-day duty, are easier to service, and cost less. CCB rotors cut significant unsprung weight, tolerate higher sustained temperatures (0–700 °C pad window), and last far longer in normal use, but they cost more up front and require the matched CCB pad.
Why staggered piston diameters?
The trailing edge of a brake pad tends to bite harder than the leading edge, causing taper wear. The 30 / 34 / 38 mm staggered layout applies more clamping force at the leading pistons and less at the trailing pistons, balancing pad pressure across the friction face for even wear and cleaner modulation.
Will pedal feel actually change?
Yes. The forged caliper resists flex, the larger pistons displace more fluid for stronger clamping, and the stainless-braided lines stop hose expansion. The pedal feels firmer at the top, more linear through travel, and gives sharper feedback at threshold braking.
Is bedding-in required?
Yes. A proper bedding procedure transfers an even layer of pad material onto the rotor face and stabilizes the friction coefficient. Skipping it causes uneven deposits, vibration, and reduced bite. Bedding instructions are included with the kit.
Ready to spec your EB6 build?
Talk to a TTSPORT brake specialist for fitment confirmation, rotor-size selection, and CCB vs. steel guidance. Or browse real customer installs for inspiration.
Care Guide
xBrake Kits · Fitment · Installation · Care Guide
Brake Kit Care Guide
A brake kit is not just a pair of larger calipers. Calipers, rotors, pads, hoses, brackets, rotor hats, mounting hardware, brake fluid, wheel clearance, and bedding procedure all work together as one system.
This guide explains how to confirm the right TTSPORT brake kit before ordering, what to check before installation, and how to care for the system after installation.
1. Before Ordering: Confirm the Full Vehicle Setup
Do not order a brake kit by vehicle name alone. The correct kit depends on the vehicle, axle position, wheel package, driving use, and brake system layout.
- Vehicle year, make, model, trim, market version, and chassis code if available
- Front or rear axle position
- Current brake rotor diameter, thickness, and caliper type if known
- Wheel diameter, width, offset, spoke shape, and inner barrel clearance
- Tire size and vehicle weight changes from armor, cargo, towing equipment, or track setup
- Driving use: daily street, towing, mountain driving, off-road, HPDE, rally, drift, track, or competition
- Whether the vehicle uses electronic parking brake, brake pad wear sensors, ABS / ESC systems, or special hydraulic routing
Brake kits are application-specific. A visually similar kit can still have the wrong rotor offset, bracket geometry, hose fitting, caliper position, or wheel clearance requirement.
2. Understand What Type of Brake Kit You Are Ordering
Different TTSPORT brake kit series use different hardware layouts. Always confirm what the kit includes before purchase.
Direct-Mount Kits
Use direct-mount calipers and one-piece rotors where specified. These kits do not use rotor hats or caliper brackets unless the final product page clearly states otherwise.
Two-Piece Rotor Kits
Use separate friction rings and rotor hats. Hat offset, ring bolt pattern, hardware style, and rotor direction must be matched correctly.
Racing / Custom Kits
May require bespoke brackets, rotor hats, brake lines, and engineering confirmation based on knuckle, hub, wheel, and competition use.
Off-Road / Heavy Vehicle Kits
Require extra attention to wheel clearance, tire size, vehicle load, descent control, hose routing, and dust / water exposure.
Do not assume every brake kit includes the same parts. Package contents vary by product series, vehicle application, and final order configuration.
3. Confirm the Kit Specification Before Payment
Before finalizing the order, review the kit specification carefully. Confirm the brake kit is matched to your vehicle and wheel setup, not only to the model name.
- Confirm vehicle application and axle position
- Confirm caliper model, piston count, and caliper color if applicable
- Confirm rotor diameter, rotor thickness, rotor construction, and left / right direction if applicable
- Confirm brake pad compound and intended use
- Confirm brake hose fitting type and routing compatibility
- Confirm whether caliper brackets, rotor hats, mounting hardware, wear sensors, or brake fluid are included
- Confirm minimum wheel diameter and spoke clearance requirement
- Confirm lead time, shipping method, and final invoice details
If any part is not listed in the final order or product page, do not assume it is included.
4. Before Installation: Inspect the Complete Kit
Inspect every component before installation. Do not modify, grind, drill, stretch, force, or space brake kit components to make them fit.
- Check all received parts against the order confirmation
- Inspect calipers, rotors, brackets, hats, hoses, pads, and hardware for shipping damage
- Confirm left / right caliper and rotor orientation where applicable
- Confirm rotor size, pad shape, hose fittings, bracket layout, and hardware style before installation
- Clean all mounting faces before assembly
- Confirm torque values, bedding procedure, fluid type, and bleeding procedure before starting work
- Use a qualified brake technician for installation
Safety: Brake kits affect braking force, hydraulic sealing, heat control, wheel clearance, and vehicle stability. Do not install the kit if fitment, torque, direction, clearance, or compatibility is unclear.
5. Installation Checks
Correct installation is as important as the brake kit itself. A properly engineered kit can still perform poorly if installed with dirty mounting faces, incorrect torque, poor hose routing, or trapped air in the hydraulic system.
Caliper Position
Verify caliper centering over the rotor and confirm even pad sweep across the friction surface.
Rotor Orientation
Confirm left / right rotor direction if the rotor uses directional vanes or directional face pattern.
Brake Hose Routing
Check brake hose length and routing at full steering lock and full suspension travel. No twisting, rubbing, stretching, or kinking.
Wheel Clearance
Check caliper-to-spoke and caliper-to-barrel clearance before road use. Wheel diameter alone is not enough.
Brake Fluid & Bleeding
Use the correct brake fluid type and bleed the system until pedal feel is firm and consistent.
Hardware Security
Torque all brake hardware to the specified value. Do not reuse damaged, unknown, stretched, or corroded safety-critical fasteners.
6. Bedding and First Heat Cycle
Brake pads and rotors need a controlled bedding process before full performance is available. Bedding helps create an even transfer layer on the rotor surface, improving bite, pedal consistency, and vibration resistance.
- Follow the bedding procedure supplied with the exact pad and rotor compound
- Use moderate heat first unless the supplied procedure requires otherwise
- Do not start with emergency stops on a fresh pad / rotor setup
- Avoid holding the brake pedal while stopped on very hot pads and rotors
- Allow the brakes to cool after bedding
- After the first heat cycle, inspect pad contact, rotor surface, hose routing, hardware security, and fluid leaks
Street pads, race pads, iron rotors, two-piece rotors, and carbon ceramic rotors may require different bedding procedures. Use the procedure supplied with the specific kit.
7. Initial Break-In Period
After installation and bedding, give the system a short break-in period before aggressive use. Pedal feel, pad contact, dust output, and noise may continue to settle after the first drives.
- Avoid repeated emergency stops unless required for safety
- Avoid hard track use until bedding and inspection are complete
- Monitor pedal feel, vibration, noise, smell, and rotor surface appearance
- Recheck for fluid leaks after the first road test
- Recheck torque where the kit instructions require post-heat-cycle inspection
- Contact TTSPORT if brake feel changes suddenly after installation
8. Routine Care and Inspection
Brake kits need regular inspection, especially after track use, off-road use, towing, mountain driving, winter salt exposure, or any brake service.
- Inspect brake pads for uneven wear, taper, glazing, cracking, or backing-plate damage
- Inspect rotors for cracks, heavy scoring, hot spots, minimum thickness, and runout
- Inspect calipers for fluid seepage, piston movement, dust boot damage, and uneven pad retraction
- Inspect brake hoses for rubbing, cuts, swelling, leaks, and fitting corrosion
- Inspect brackets, rotor hats, and mounting hardware for cracks, fretting, corrosion, or loosening
- Check brake fluid level, color, service age, and boiling-point suitability for your driving use
- Clean brake dust from wheels and calipers regularly, especially after wet, salty, or track conditions
9. Care by Use Case
Daily Street
Inspect pads, rotors, fluid level, and hose condition during normal service intervals. Prioritize quiet operation, smooth pedal feel, and even wear.
Towing & Mountain Roads
Check pad thickness, rotor surface condition, and fluid condition more often. Long descents create sustained heat even without track use.
Off-Road
Inspect for mud, sand, stone impact, hose abrasion, dust boot damage, and caliper contamination after trail use.
Track / HPDE
Inspect pads, rotors, fluid, and hardware before and after every event. Track heat shortens service intervals.
Drift / Competition
Check rear brake temperature, hydraulic handbrake behavior, pad wear, rotor cracking, and hardware condition frequently.
Carbon Ceramic
Use only compatible pads and approved bedding procedures. Inspect rotor surface condition carefully and avoid incompatible friction materials.
10. Stop Driving If You Notice These Symptoms
Do not continue driving if the brake system shows any of the following symptoms. Inspect the system or contact a qualified brake technician before using the vehicle again.
- Soft pedal, sinking pedal, or sudden increase in pedal travel
- Brake fluid leak or wetness near a line, caliper, fitting, or master cylinder
- Grinding, scraping, severe vibration, or heavy brake judder
- Vehicle pulling strongly to one side under braking
- Burning smell after light driving
- Loose wheel, rotor, caliper, bracket, or hardware noise
- Brake warning light, ABS warning light, or traction-control fault after brake work
Need help confirming brake kit setup or care?
Send your vehicle details, brake kit series, wheel specs, driving use, photos, and any symptoms you notice. TTSPORT will help confirm fitment, installation checks, and the correct care path for your brake kit.
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