We are proud to be open and fulfilling your high performance suspension needs during these times. Please note we are experiencing an unprecedented volume of orders and emails right now. Our team is working hard to ship your orders and reply to emails as fast as possible while complying with recommendations for safety. We thank you for your patience and understanding.


Ground Control Suspension Systems Kia Sephia coilover conversion allows you to replace your factory equipped progressive rate spring with a linear spring and adjustable ride height kit. This allows a change in ride height as well as a different spring rate, which in turn can improve performance!