The Eibach ERS coilover spring is a silver race-oriented coil spring offered with a 3.75 in inner diameter for coilover assemblies. Part of Eibach's ERS Race Spring System, these springs are manufactured in series production to tight tolerances to achieve very linear spring rates and consistent repeatability. They are intended where precise spring behavior and high manufacturing quality matter.
Eibach Silver Coilover Spring - 3.75in I.D.