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The Eibach ERS coilover spring in silver with a 3.75 in inner diameter is intended for use in coilover suspension assemblies and upgraded handling setups. It supplies a defined spring element that fits standard coilover hardware and supports consistent spring behavior. Select this spring when correct inner diameter and reliable, repeatable spring characteristics are required for suspension rebuilds or custom assemblies.
Eibach Silver Coilover Spring - 3.75in I.D.
