Eibach ERS Silver Coilover Spring - 20in x 3.75in ID - 350 lbs/in

Eibach ERS linear race coilover main spring measuring 20 inches free length with a 3.75 inch inside diameter and a 350 lbs/in linear rate. Each spring is individually tested for rate accuracy and built for high linearity, low block height, and light weight. Low block height (7.87 in) maximizes usable travel. Universal fitment on any coilover with a 3.75 inch ID spring perch.

Specifications

Documents: Installation Instructions (PDF)

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy