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Air cooling has its limits. For professional endurance and rally competition where sustained, extreme brake temperatures are the primary cause of failure, the PB6-WC (Water-Cooled) system is the definitive solution.
Building on the battle-tested PB6 forged caliper, this version incorporates an integrated liquid cooling circuit. By actively circulating fluid through the caliper body, this system provides the ultimate defense against brake fade and fluid boil. It ensures consistent, powerful, and reliable braking performance from the first minute to the final hour, even in the most punishing race environments. Each PB6-WC kit is a fully bespoke, custom-engineered solution for your specific race application.
The following data is essential for race engineers and professional builders. Note the integrated liquid cooling circuit, bootless piston design for maximum heat resistance, and the custom nature of all supporting hardware. As a Racing Series product, this kit can be configured with a range of specialized racing pad compounds upon consultation.
Caliper Engineering | |
---|---|
Series | Racing Series - Endurance & Rally |
Model | PB6 Water-Cooled |
Cooling System | Integrated Liquid Cooling Circuit |
Mounting Position | Front Axle |
Piston Count | 6-Piston, Staggered |
Piston Type | Race-Spec Ventilated Stainless Steel (No Dust Boots) |
Piston Diameter | 28 mm / 34 mm / 40 mm (1.10 in / 1.34 in / 1.57 in) |
Total Piston Area | 55.58 cm² (8.61 in²) |
Construction | 2-Piece Forged Aluminum Alloy |
Net Weight | 3.44 kg (7.58 lbs) (Single Caliper, No Pads) |
Finish | Nickel-Plated |
Min. Wheel Size | 17" Recommended |
Rotor Specification | |
Material | Racing-Grade High-Carbon Steel |
Dimensions | ⌀320 mm (12.60 in) × 34 mm (1.34 in) thick |
Construction | 1-Piece Fixed |
Venting | Directional Vented |
Surface Patterns | Waveslot |
Brake Pad Compound | |
Compound | M-05+ Rally & Endurance Racing |
Operating Temp | Up to 700°C (1292°F) |
Friction Coefficient | 0.43 μ |
Supporting Hardware (Bespoke) | |
Brake Hoses | 3-Layer Stainless Steel Braided (PTFE Core, SUS304 Braid, PVC Sheath) |
Rotor Hat / Bell | Custom CNC-Machined 6061-T6 Aerospace-Grade Aluminum |
Caliper Bracket | Custom CNC-Machined S45C Forged Steel |
Every PB6-WC kit is a custom-tailored solution. Our collaborative process ensures perfect integration with your chassis for a true bolt-on installation.
Your project begins with our motorsports engineers. We will conduct a detailed consultation to understand your chassis, knuckle design, competition class, and requirements for integrating the liquid cooling system.
For OEM Knuckles: Provide vehicle year, make, model, and detailed wheel specs.
For Custom Knuckles: Provide CAD files (IGES/STEP), technical drawings, or precise measurements of the mounting points.
Our engineers will design the bespoke mounting hardware for your application. We will provide final design specifications and production timeline for your team's approval before manufacturing begins.
Yes, this is a comprehensive, vehicle-specific system engineered for a complete bolt-on installation. Each PB6-WC kit includes:
Our team is ready to help you configure the ultimate braking solution for your competition build. Contact our motorsports department to start your technical consultation today.
Start Your ConsultationYou’re here because you’re passionate about your ride, and so are we. We want your TTSPORT brake upgrade to be a total win. Here’s some straight talk to make sure everything goes smoothly, from fitment to bedding in.
Look, we know you get it. Your brake kit is custom-made for your specific car. That means once it's built, it's yours. We can only accept returns if there’s a genuine quality defect from our side.
Sometimes, aftermarket wheels can be tricky. Depending on the design, you might need spacers for clearance. We’ll do our best to help you figure it out, but issues related to wheel spacers don't qualify for a return.
To get this right the first time, we need your help. Before you order, please give us the following info:
We’ll likely ask you to confirm some measurements and send a few photos of your wheels. Please double-check everything you send us. TTSPORT isn't responsible for fitment issues if the specs you provided were off.
We check every single part before it leaves our shop. When your kit arrives, give it a good look-over. If you spot any potential quality issues, let us know within 24 hours.
This is key to awesome performance. Don't skip it.
We build our kits to last, and we stand by our work. Here’s the breakdown:
Recommended Service Intervals:
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