The Progress Tech CS2 coil-over system for 1989–1991 Honda Civic, Si and CRX applications is a twin-tube low-pressure gas kit built for improved street handling and weekend track days. It fits with factory top hats and pairs a 550 lb/in front spring with a 650 lb/in rear, offering a 1"–3" lowering range to firm the ride and reduce body roll without adjustable dampers.
Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 550lb / RR 650lb) Factory Top Hat Only