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The Progress Tech CS2 coil-over system for 1989–1991 Honda Civic, Si and CRX applications is a twin-tube low-pressure gas kit aimed at improving handling on the street and track. It fits with factory top hats and uses a 550 lb/in front spring with a 450 lb/in rear, offering a 1"–3" lowering range to firm up the chassis and enhance cornering without adjustable damping complexity.
Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 550lb / RR 450lb) Factory Top Hat Only
