The Eibach ERS coilover spring is a silver race-oriented spring supplied with a 3.75 in inner diameter for coilover assemblies. From Eibach's ERS Race Spring System, these springs are manufactured repeatedly in series with tight tolerances to achieve very linear rate characteristics and high quality. They provide consistent, repeatable spring behavior for applications where precise spring control is essential.
Eibach Silver Coilover Spring - 3.75in I.D.