Eibach ERS Helper Spring 3.94in Length x 2.75in ID

Eibach ERS Helper Spring — 3.94" Length x 2.75" ID Brand: Eibach Improve ride comfort, control and spring preload with the Eibach ERS helper spring. Designed to fit precisely and perform reliably, this compact helper spring provides consistent support for coilover assemblies, lowering springs and suspension conversions. Exact dimensions: 3.94 in (length) x 2.75 in (inner diameter) Durable construction: High-quality steel with corrosion-resistant finish for long life under road and track conditions Enhanced performance: Maintains spring alignment, reduces unwanted noise and prevents coil binding during travel Easy installation: Simple fitment for many applications where ERS helper springs are required or recommended Trusted by enthusiasts and professionals, the Eibach ERS helper spring is an economical upgrade to stabilize suspension geometry and preserve original spring characteristics when lowering vehicles or converting to performance setups.