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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