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The Tein Flex Z damper kit for 2017–2021 Honda Civic Si (FC1/FC3) is a direct-fit coilover solution that replaces factory suspension to permit ride-height adjustment and improved handling balance. Specified for the FC1/FC3 Civic Si platforms, it provides a practical upgrade for owners seeking a sharper stance and clearer road feedback while retaining original mounting compatibility.
Tein 17-21 Honda Civic Si (FC1/FC3) Flex Z Damper Kit Coilovers
