GIRODISC A1-146 Front Brake Rotor Kit for PORSCHE 991 GT3 / GT3RS / GT2RS/ Cayman GT4 (380x34 mm, Cast Iron)

Description GIRODISC A1-146 Front Brake Rotor Kit for PORSCHE 991 GT3 / GT3RS / GT2RS/ Cayman GT4 (380x34 mm, Cast Iron)

The GIRODISC A1-146 front rotor kit is engineered as a direct-fit upgrade for Porsche 991 GT3 / GT3RS / GT2RS/ Cayman GT4 models equipped with OEM iron rotors. Unlike many aftermarket solutions, this kit retains compatibility with factory calipers and unmodified brake pads, ensuring optimal ABS performance and maintaining factory brake bias. Installation requires no modifications, delivering high-performance braking with minimal disruption to OEM setup.

• Direct bolt-on fitment with OEM calipers and pads
• Significant weight reduction versus factory rotors
• Floating mount system with cadmium-plated steel drive pins
• Aircraft-grade 6061-T6 aluminum rotor hats for reduced unsprung mass
• Proprietary cast iron rotors with curved vanes for advanced cooling efficiency

Specifications:

• Disc Finish: Straight Slotted
• Disc Vane Style: Curved Vane
• Material: Cast Iron
• Disc Type: Vented
• Disc Diameter (mm): 380
• Min Thickness (mm): 32.0
• Max Thickness (mm): 34.0
• Disc Height (mm): 69.4