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The Eibach ERS coilover spring in silver is a 3.75 in inner diameter spring crafted for coilover and suspension applications that require precise inner sizing. It supports suspension tuning by supplying a defined spring element that mates with coilover hardware. Use it when assembling or repairing coilovers where accurate inner diameter and steady spring behavior improve installation and setup consistency.
Eibach Silver Coilover Spring - 3.75in I.D.
