Girodisc rotors are 2-piece floating discs which reduce unsprung weight and improve performance over 1-piece discs. Designed and Manufactured in-house at Girodisc in the USA. These products are available for a range of vehicles and hold a large selection of European + Amercian models, as well as high performance Japanese models also - Evo, WRX, GTR. Suitable for both racing cars and road cars.