A2-146 GIRODISC PORSCHE 991 REAR ROTORS 13.01.10025 2018 Mazda Miata MX-5 (ND)

2018 Mazda Miata MX-5 (ND) non-Brembo

Outside Length/Base Outside Diameter (mm): 270

2012 BMW M3 E90 Sedan

2015 Porsche Cayman GT4 Iron disc

13 in (283 mm) Product Box Width 3

A2-146 GIRODISC PORSCHE 991 REAR ROTORS 13.01.10025 2018 Mazda Miata MX-5 (ND)The Girodisc system is a direct replacement for the rear OE disc on the 991 GT3 and GT3 RS with OEM iron rotors. No modifications are necessary, allows use of factory unmodified pads unlike most aftermarket solutions for this application. The disc will bolt directly to the car and work with OE calipers perfectly. By upgrading your brakes with lightweight high performance replacements as opposed to a big brake kit, your factory bias is maintained as