Wilwood GT72 brake discs (rotors) are designed to withstand the extreme braking conditions found in Motorsport. They offer superior heat absorption and dissipation through the 72 heavy wall curved vanes. This helps prevent brake fade and prolong the life of the disc.Excellent heat absorption and dissipation to reduce brake fade and resist warpingMade from premium long grain carbon iron for thermal stability and low wearPrecision machined faces (less than .001" tolerance)Dynamic balanced to give vibration free performance at any speedGT72 brake discs are ideal for Motorsport or high performance road / track day use. Mounting bells are available in a range of fitments to facilitate fitting to many different vehicles. Asymmetric slots on the disc face help to clean and deglaze the pad as well allowing gasses to escape. This helps improve the initial bite and overall stopping performance of the disc.