The Eibach ERS coilover spring (2.50in I.D.) is a race-grade spring from Eibach's ERS line, produced in series for consistent linear spring rates and tight manufacturing tolerances. The system emphasizes repeatable characteristics and high quality control, delivering predictable behavior for competition and track-focused coilover setups where reliable spring rates and low variance are important.
Eibach ERS Coilover Spring - 2.50in I.D.