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The ST X coilover kit for 2006–2011 Honda Civic and Civic Si brings adjustable ride height and a sportier street feel while retaining comfort. The system uses a friction-optimized polyamide composite spring perch with stainless-steel insert to prevent corrosion, galvanized zinc-coated struts, and elastomer bump stops with dust protection. Dampers are developed by KW and hand-assembled to match vehicle dynamics for everyday usability.
ST Coilover Kit 06-11 Honda Civic/Civic SI
