Eibach ERS linear race coilover main spring in a Silver finish measuring 14 inches free length with a 3 inch inside diameter and a 550 lbs/in linear rate. Each spring is individually tested for rate accuracy and built for high linearity, low block height, and light weight. Universal fitment on any coilover with a 3 inch ID perch.
Specifications
| Type | Linear race coilover main spring (ERS) |
| Free Length | 14 in |
| Inside Diameter | 3 in |
| Spring Rate | 550 lbs/in (linear) |
| Finish | Silver |
| Fitment | Universal - 3 inch ID coilover perch |
| Part Number | 1400.300.0550S |
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
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