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Upgrade your Audi B9 or B9.5 S4, S5, or SQ5 with Paragon 2-Piece Front Rotors — engineered for high-performance street and track use. These 350mm x 34mm rotors offer improved heat management, weight savings, and consistent braking feel without sacrificing OEM compatibility.
Overview
Directional cooling vanes guide airflow through the rotor core to reduce operating temperatures by up to 30% versus OEM rotors. The fully floating 2-piece design allows for controlled thermal expansion without rotor distortion, maintaining pad alignment and brake consistency during repeated high-load braking.
Key Features
- 350 x 34mm slotted rotors with directional ventilation vanes
- Up to 30% improved cooling efficiency under aggressive braking
- Floating 2-piece design reduces fade, judder, and heat-related warping
- Rotor rings made from CM-250 high-carbon alloy cast iron
- Heat-treated and CBN-machined for long-term durability and flatness
- Lateral run-out ≤ 0.03mm; balance tolerance ≤ 2 grams
- Slotted face improves wet-weather bite and clears gases/debris
- Each rotor weighs 9.64 kg — 3.02 kg lighter per side vs OEM
Construction
Rotor hats are CNC-machined from aerospace-grade 6061-T6 aluminium and MIL-A-8625 Type III hard anodised for corrosion and thermal resistance. Excess material is strategically removed to minimise weight while preserving strength under high loads.
Finish Options
- Clear Hard Anodised: Resists heat discolouration – ideal for track use
- Black Dyed Hardcoat: May discolour above 260°C – best suited for street performance
Vehicle Fitment
- Audi S4 B9 / B9.5
- Audi S5 B9 / B9.5
- Audi SQ5 B9 / B9.5
- Model Years: 2018+
Fitment Notes
- Direct bolt-on installation – no modifications required
- Maintains OEM brake bias and ABS integration
- Compatible with OEM or aftermarket brake pads (same pad depth)
- Rotor-to-hat mount: D-Bobbin (Long) – 10-bolt system
Technical Specifications
Diameter: 350mm (13.78")
Thickness (new): 34mm (1.34")
Thickness (min.): 32mm (1.26")
Type: 2-piece floating
Face Pattern: Slotted
Vented / Solid: Directional ventilated
Number of Vanes: 48
Hat Material: 6061-T6 aluminum
Friction Ring Material: CM-250 high carbon alloy cast iron
Rotor Finish: CBN turned
Cross Reference:
OEM Audi 4M0615301AB / 4M0615301AN
Contents
One pair of Paragon Performance 350mm x 34mm 2-piece rotor assemblies.
Hat Material: Black hard coat/hard anodized 6061-T6 aerospace-grade aluminum.
Bobbins: Stainless steel.
Anti-Rattle Clips: Included.
Assembly: Fully assembled and ready to install.
Included: Detailed installation manual.
No instructions available for this product.

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