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The Eibach ERS 3.75-inch ID coupling spacer is a coilover component sized to fit a 3.75" inner diameter and is used to set spacing between springs or components in ERS-style assemblies. By providing correct stack height and alignment, this spacer helps achieve the intended preload and spring geometry for multi-spring or helper-spring configurations. It supports accurate assembly and tuning in ERS suspension setups where precise spacing is required.
Eibach ERS 3.75 in. ID Coupling Spacer
