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The Eibach ERS silver coilover spring with a 3.75 in inner diameter is built for coilover suspension assemblies and upgrade projects where inner-diameter fit matters. It provides a defined spring element for rebuilds or custom setups and is sized to mate with coilover hardware. Choose this spring when consistent, repeatable spring characteristics and correct fit are needed for dependable suspension behavior.
Eibach Silver Coilover Spring - 3.75in I.D.
