Made from 420 High-carbon stainless Tier-1 steelLaser cut, never stampedEach rotor is individually heat-treated and double-disc parallel ground to assure perfect flatnessWave® design allows for lower operating temperatures at extreme conditionsWave® design is much lighter than a stock rotorFor maximum braking performance and rotor longevity, Galfer recommends using Galfer brake pads with Galfer rotors.