Coilovers have adjustable spring perches. (Springs sit on perches on the strut and are stationary) Coilovers you can move the perch up and down the strut.

Struts you will want eventually. It will not hurt your car if you can't afford them not (it will hurt your handling though).

Camber kits adjust camber (when you lower your wheels lean inward causeing unevern tire wear)

Hope that helps.

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98 ESi
95 GS