Volkswagen CC Big Brake Kit Upgrade / TTSPORT Classic 8703
Stock brakes on a Volkswagen CC do the job around town, but push the pedal hard on a mountain road or a track day and the feel gets soft and inconsistent. This build swaps the front axle to a TTSPORT TT8703 cast monobloc six-piston caliper with a 380mm rotor and fits a larger 355mm rotor at the rear — a straightforward OEM+ fix aimed at pedal feel and stopping power rather than a full track-only setup.
The front end gets a TTSPORT TT8703 cast monobloc six-piston caliper paired with a 380 x 34mm high-carbon heat-treated rotor, sized to fit behind the car's factory 19-inch wheels.
Vehicle & Kit Specs
| Item | Specification |
|---|---|
| Vehicle | Volkswagen CC, 19-inch wheels |
| Front caliper | TTSPORT TT8703 cast monobloc six-piston caliper |
| Front rotor | TTSPORT 380 x 34mm high-carbon heat-treated curved-vane rotor, painted finish for corrosion resistance |
| Rear rotor | TTSPORT 355 x 12mm high-carbon heat-treated rotor, larger than the factory disc |
| Lines | TTSPORT stainless steel brake lines |
Why It Works
- A cast monobloc caliper body flexes less under load than a stock sliding caliper, so pedal input translates more directly into clamping force instead of getting absorbed by caliper flex.
- Six pistons spread clamping force across a wider pad area on the 380mm front rotor, giving a more linear pedal feel and more usable braking force at the same pedal effort.
- Increasing the rear rotor diameter to 355mm moves the pad's contact point further from the wheel's center, lengthening the lever arm. With clamp force and friction coefficient unchanged, that larger lever arm produces more braking torque and a shorter stopping distance.
- The kit fits behind the car's 19-inch wheels, keeping the upgrade practical for a daily-driven CC.
The rotor's painted surface resists oxidation and rust, so the setup holds its finish through daily driving while the added rotor mass and six-piston clamping handle repeated hard stops without losing feel.
Installation Gallery
FAQ
What wheel size does the TTSPORT TT8703 kit on this Volkswagen CC require?
What does this TTSPORT big brake kit include?
Why does the larger rear rotor improve braking on this VW CC?
Need fitment confirmation? Choose the closest TTSPORT series or send your vehicle, wheel size, and intended use before ordering.