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Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring-Eibach-EIB1000.250.0400S
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Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring

Eibach
EIB1000.250.0400S
803050289124
Coilover Springs
20+ Units In Stock - Ships Next Business Day
$ 94.44 $ 85.00
$ 85.00

SKU: 1000.250.0400S   |   UPC: 803050289124

Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring - 400 lb/in Rate, Universal Race Fit

The Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring delivers a 400 lb/in rate for coilover setups in racing and performance applications. This universal spring fits most 2.5-inch coilover shocks from brands like Bilstein, Fox, King, and QA1. It provides linear response for sharp handling and repeated consistency under load.

Key Features

  • 10.00 in. Free Length: Allows precise ride height adjustment in compact strut or long-travel setups.
  • 2.50 in. Inside Diameter: Direct fit over standard 2.5 in. shock bodies with proper clearance.
  • 400 lb/in Spring Rate: Firm support for high-grip track use, drag racing, and autocross.
  • Linear Rate Design: Maintains steady force progression for predictable chassis balance and control.
  • Silver Powder Coat Finish: Resists corrosion, shot-peened steel extends fatigue life in demanding conditions.

Product Notes

  • Sold individually; pair recommended for axle applications.
  • Preset and scragged during manufacturing to minimize sag over time.
  • Lightweight at 3.25 lbs for quick shipping and easy handling.

Installation Notes

  • Professional installation recommended.
  • Confirm shock outer diameter is 2.437 in. max for safe fit.
  • Use flat or tangent perches; stand not to exceed 5 degrees from vertical.

This Part Fits

Year Make Model Submodel
Universal All Coilover Shocks 2.5 in. Body (Bilstein, Fox, QA1, etc.)

Why Choose Eibach?

  • Decades as the race spring standard in motorsports worldwide.
  • Series production ensures repeatable rates and minimal variation.
  • Tightest tolerances from advanced manufacturing processes.

Frequently Asked Questions

  • Q: What applications does this spring fit?
    A: Universal design for custom coilovers in drag, road race, off-road, and street performance; verify shock ID compatibility.
  • Q: What material and finish are used?
    A: High-tensile chrome silicon steel, shot-peened, preset, with silver epoxy powder coat for durability and identification.
  • Q: What warranty coverage is provided?
    A: Eibach limited lifetime warranty against manufacturing defects when used as directed.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure cardboard box, approximately 11 x 4 x 4 inches
  • Weight: 3.25 lbs
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