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The Progress Tech CS2 coil-over system for 1989–1991 Honda Civic, Si and CRX applications is a non-adjustable twin-tube low-pressure gas kit for street and weekend track use. It installs using factory top hats and combines a 450 lb/in front spring with a 550 lb/in rear, delivering 1"–3" of lowering to improve balance and cornering without added adjustment knobs.
Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 450lb / RR 550lb) Factory Top Hat Only
