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The Eibach ERS coilover spring is part of Eibach’s race spring system and is produced for consistent, linear spring characteristics with tight manufacturing tolerances. Offered in a 3.75 in internal diameter version, these silver coilover springs are manufactured in series for repeatability and are intended for motorsport and high-precision suspension applications where predictable spring rate and quality control matter.
Eibach Silver Coilover Spring 3.75in Internal Diameter
