Front Right Rotor - Yamaha Manufactured from 420 high-carbon stainless steel, Engineered to greater strength and durability than OEM, greater friction and longer life than OEM at an price, CAD/CAM laser-cut and finish-ground for a distortion- flat profile, Quality for worn/warped stock rotors or when superior braking is demanded at an price, Endorsed by top off-road riders, Made in the U.S.A.