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Eibach ERS linear main spring, 140.4 mm free and block length with 63.5 mm diameter, is part of Eibach’s race spring system engineered for consistent linear rates and tight manufacturing tolerances. ERS springs are produced in series for repeatable characteristics and aim to deliver precise spring rates, low tolerances and reliable behavior for coilover and race suspension setups where linear response is required.
Eibach ERS Linear Main Spring - 140.4mm Free L / 140.4mm Block L / 63.5mm Diameter
