VBT Front 350x34 Brake Discs (Pair) Audi S4 B9
SKU: VBT-5589344248D
High-performance VBT 350x34mm Front Brake Discs for Audi S4 B9. Features BTCC homologated AP Racing groove styling for elite tracking bite and cooling.
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Fast UK Delivery
Delivered in 2-3 Business DaysFast UK Delivery on all Orders, please see delivery information.
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30 Day Money Back
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VBT 350x34mm Front Brake Discs represent the latest evolution in advanced braking surface development for high-power executive sports cars. Originally conceptualized by AP Racing and adapted by Vagbremtechnic onto premium original specification castings, these front rotors satisfy the performance requirements of fast road drivers and track day enthusiasts alike. The technical hooked groove format maximizes initial pad bite, creates an instant escape path for high-temperature friction gas layers, and actively dampens structural distortion under intensive continuous use.

Key Performance Features
- Improved Frictional Initial Bite: Mechanically sweeps across the brake pad compound surface to clear glazing and generate aggressive stop reactions.
- Debris Clearance & Vibration Control: Effortlessly evacuates road water, thermal gas, and pad dust during high-temperature track day sessions.
- Left & Right Custom Machined Faces: VBT transforms non-handed premium castings into precise directional pairs, safeguarding optimal thermal gas extraction tracking paths.
- Reduced Noise Configuration: Engineered explicitly with enclosed outer grooves that do not exit the outer diameter boundary, drastically lowering operational hums.
- BTCC Homologated Face Architecture: Built using the identical, battle-tested design that has served as the official homologated profile for British Touring Car Championship racing.

The Ultimate Track Day Enabler Upgrade
Where these premium front rotors truly come into their own is when they are paired alongside a more capable set of sport brake pads. By providing a rugged, unyielding thermal platform, the discs allow the pads to operate within their optimal heat window without suffering from fading. Many vehicle owners discover that this package exposes other structural weak links—such as tire grip or suspension flex—because the front axle stopping force becomes completely reliable stop after stop. It serves as an incredibly successful performance upgrade option for budget-conscious drivers operating multi-piston caliper conversions.

Compatible Vehicles & Fitment Table
These professional performance front discs match high-end vehicle setups utilizing an exact 350mm diameter and 34mm thickness front arrangement. Verify your specific model tracking codes before finalizing your order.
| Application Parameter | Technical Details |
|---|---|
| Compatible Vehicles | Audi S4 (B9 Chassis Configurations) |
| Axle Position | Front Axle Only (Supplied as Directional Left & Right Set) |
| Disc Face Style | Drilled, Grooved, Drilled & Grooved, Hooked |
| Dimensions | 350mm Diameter x 34mm Thickness |
| SKU Part Number | 5589344248H |
Installation at MGM Leeds
Maximize your high-power track upgrade by arranging a complete installation session at our dedicated facility, MGM Leeds. Our professional technicians manage full hub dial-indicator runout profiling to ensure absolute tracking alignment.
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