Eibach ERS coil-over race spring is listed at 4 in length with a 2.5 in internal diameter and is part of Eibach's Race Spring System. Manufactured in series production to tight tolerances, ERS springs aim to deliver a linear spring characteristic and consistent rate repeatability. The line emphasizes high-quality manufacturing and tight tolerances for race-oriented coil-over applications.
Eibach ERS 4in Length x 2.5in ID Coil-Over Spring