Solo Werks S1 Coilover System - Audi A4/S4 B5 Quattro

Designed by a joint engineering staff from Germany and the USA, the S1 coilover is built for the enthusiast thatis looking for an ideal balance of ride quality and performance. The front the S1 coilover for the B5 Audi A4/S4 Quattro  system features a specially designed progressive springrate & helper spring combo matched to a twin tube low pressure gas damper mounted in a heavy gold zinc platedthreaded coilover housing that provides not only great handling, but also exceptionalcorrosion resistance. The rear features a progressive coil spring and twin tube low pressure gas damper mounted in a heavy gold zinc platedthreaded coilover housing that is matched to the lowering range & performance of the complete system.  * depending on vehicle