Power Stop 96-04 Audi A4 Front Evolution High Carbon Geomet Coated RotorPower 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. This Part Fits: Year Make Model Submodel 1998 Audi A4