The Progress Tech CS2 coil-over system for 1989–1991 Honda Civic, Si and CRX applications is a twin-tube low-pressure gas kit designed for daily driving and spirited street use. Using factory top hats, it features matching 350 lb/in springs front and rear and a 1"–3" lowering range to refine ride height and handling characteristics without the complexity of adjustable dampers.
Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 350lb / RR 350lb) Factory Top Hat Only