Girodisc 2 piece rotor ring replacements come complete with all new hardware and full instructions for re-assembly. Girodisc 

rotors are made from proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc. ​

When used with performance pads and hi-temp fluid, you have what amounts to a truly amazing solution to overheating or warping rotors.

All Girodisc purchased from FrozenRotors.com are cryogenically treated for maximum brake rotor life.