Power Stop Evolution Coated rotors are a direct bolt-on replacement for factory equipment. Fully coated using Genuine GEOMET rust preventative coating; treated with a thin layer of Genuine GEOMET 360 coating to protect against rust and corrosion without influencing the vehicle's braking performance. Manufactured to original equipment specifications for fitment, weight, vane count, and performance. EVOLUTION GENUINE GEOMET FULLY COATED ROTORS Ram 3500 2021-2019