Ready To Install - No Additional Pre-Degreasing Preparation Needed (Saves Time And Money During Installation Process) 100% Precision Cut And Mill-Balanced For Smoother Stopping And Zero Vibration At Any Speed Engineered With Premium G3000/G11H18 Iron Castings For Strength, Stability, And Durability Original Equipment (OE) Vane Configuration To Ensure Proper And Maximum Heat Dissipation Provides Superior Corrosion Protection Over Zinc / Conventional Painting Designed To Meet The Same Form, Fit, And Function As OEM Brake Rotors Non-Directional Finish To Promote Faster Break-In And Smoother Stops Quality Tested To Ensure Long-Lasting Performance CNC-Machined To The Tightest Tolerances