The Eibach ERS coilover spring is a silver race-oriented spring with a 3.75 in inner diameter intended for coilover assemblies. As part of Eibach's ERS Race Spring System, these springs are produced in series to tight tolerances to achieve linear rate characteristics and consistent repeatability. They suit applications where predictable spring performance and manufacturing quality are priorities.
Eibach Silver Coilover Spring - 3.75in I.D.