
The Eibach ERS coilover helper spring is a single 2.25-inch diameter spring intended for use in coilover assemblies. As a helper spring, it supplies supplemental support alongside the primary coil spring to maintain preload and assist settle behavior in multi-spring coilover setups. It’s offered as a single replacement spring matching Eibach’s ERS line dimensions for compatibility with compatible coilover designs.
Eibach ERS 2.25 inch dia Coilover Helper Spring (one spring)