The Eibach ERS coil-over spring is a 10.00 in. length with a 1.88 in. inner diameter from Eibach's ERS race spring line. Manufactured in series production, ERS springs aim for a highly linear spring characteristic and very low tolerances, delivering repeatable, consistent behavior across sets. These springs are intended for coilover and race suspension setups where consistent rates matter.
Eibach ERS 10.00 in. Length x 1.88 in. ID Coil-Over Spring