The Eibach ERS coilover spring is a race-grade spring measuring 180 mm in length with a 65 mm inside diameter. As part of Eibach’s ERS Race Spring System, it’s produced in series to deliver a linear spring rate with very low tolerances and consistent manufacturing quality. That controlled repeatability suits coilover and track-oriented suspension setups that need predictable, repeatable spring behavior.
Eibach ERS 180mm Length x 65mm ID Coil-Over Spring