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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 tuned for street performance. It uses factory top hats and pairs a 450 lb/in front spring with a 350 lb/in rear, offering a 1"–3" lowering range to improve handling response and stance without the added complexity of adjustable shocks.
Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 450lb / RR 350lb) Factory Top Hat Only
