GiroDisc two-piece fully floating front rotors for the BMW M2 / M3 / M4 (G8X), 380mm. A direct replacement for the front rotors that sheds unsprung weight and rotating mass from the front axle.
Key Features
- Rotor rings machined from a proprietary high-carbon iron casting formulated to GiroDisc's specifications
- 72 curved vanes (versus 30 in factory discs) act as a centrifugal pump, pulling air in through the hub to cool the discs
- Reusable hat can be installed onto new rings when they need replacing
- Hats, rotor rings and drive pins are manufactured in-house at GiroDisc's facility in Bellingham, WA from domestically sourced materials
- Spring clips and spring washers give race-ready float with no noise from loose hardware
Specifications
- Outer diameter: 380mm
- Position: Front
- Construction: Two-piece fully floating
- Thickness: 36 mm (minimum 34 mm)
- Weight: 28.2 lbs (12.8 kg) per rotor assembly
- Hat material: 6061-T6 aluminium, black anodised finish
- Drive pins: High-strength steel alloy, cadmium plated
- Replacement rings: D1-282
