GiroDisc A1-019A Front 350mm 2-pc Rotor Upgrade - Porsche 996/997 GT2 & GT3 987.2 Rennline's studs are black zinc

Rennline's studs are black zinc plated unlike the vulnerable black oxide coating commonly used in other wheel studs

often caused by exposure to extreme temperatures

Allows you to close the valves at will

Stabilus is an Original Equipment Manufacturer (OEM) of gas struts

GiroDisc A1-019A Front 350mm 2-pc Rotor Upgrade - Porsche 996/997 GT2 & GT3 987.2 Rennline's studs are black zincGirodisc 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