GiroDisc Front 350mm 2-pc Rotor Upgrade - Porsche 996/997 GT2 & GT3

Girodisc Front 350mm 2-pc Rotor Upgrade for Porsche 996 GT3/GT2 & non PCCB 997.1GT2/GT3. The primary purpose of the Girodisc system is to reduce unsprung and overall vehicle weight. The secondary purpose is to increase the ventilation and cooling capacity of the brake disc while retaining it's original dimensions. This is accomplished by using two-piece disc construction. The central hat section of the disc is made from 6061-T6 aircraft specification aluminum.