The Eibach ERS rear spring is a coilover replacement spring measuring 13 inches in length with a 5.00 inch outside diameter, supplied in a platinum finish for rear suspension use. It’s intended as a direct spring component for coilover setups, offering a measured coil length and diameter that fit into compatible assemblies and help tune rear ride height and spring rate where specified.
Eibach ERS 13 in. Length x 5.00 in. OD Platinum Rear Spring