The Progress Technology CS3 coil-over kit for 1989–1991 Honda Civic, Si and CRX is a Coil-Over 3 system with rebound-adjustable dampers matched to 550 lb/in front and 650 lb/in rear springs for rear-stiff tuning. Lowering is adjustable 1"–3" and the kit uses the factory top hat. CS3 widens spring-rate options into fourteen combinations so you can select a track or drag setup or a softer street ride and fine-tune rebound to suit road quality and driving style.
Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 550lb / RR 650lb) Factory Top Hat Only