SKU: 1000.250.0500S | UPC: 803050289551
Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring – 500 lb/in (Universal Fit)
The Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring delivers 500 lb/in rate for precise handling in racing and street performance coilover systems. This universal spring fits standard 2.5 in. inner diameter coilover shocks from brands like BC Racing, Tein and Fortune. Built to handle high loads with consistent response, it supports custom suspension tuning for drag, autocross or track use.
Key Features
- Spring Rate: 500 lb/in linear rate provides firm control for quick steering response and stable launches in performance applications.
- Dimensions: 10.00 in. free length and 2.50 in. ID allow drop-in compatibility with most coilover assemblies for easy ride height adjustment.
- Material: High-tensile chrome silicon (H11) steel resists fatigue and maintains shape under repeated stress cycles.
- Manufacturing: CNC ground ends, shot peened for 200%+ longer life, heat treated, preset and scragged to eliminate sag from day one.
- Finish: Silver epoxy coating protects against corrosion and identifies rate for quick assembly in the shop or pits.
Product Notes
- Sold individually; pair with matching rates for dual-spring setups.
- Use Eibach spring calculator for vehicle-specific rate recommendations.
- MPN 1000.250.0500S; weight 6 lbs for balanced packaging.
Installation Notes
- Professional installation recommended.
- Verify shock body ID and travel exceed spring dimensions before install.
- Requires 2.5 in. ID-compatible perches; aluminum recommended for heat dissipation.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coilover Shocks | 2.5″ ID Bodies |
Why Choose Eibach?
- Proven in World Challenge, Formula Drift and NHRA racing.
- Each spring tested for rate accuracy within 2% tolerance.
- German precision engineering for repeatable performance.
Frequently Asked Questions
- Q: Does this fit my coilover kit?
A: Yes for any 2.5 in. ID shock body with sufficient length; common in BC Racing, D2, Fortune and Tein coilovers for Honda, Subaru, BMW and more. - Q: What is the wire diameter and material?
A: 0.938 in. wire diameter chrome silicon steel, shot peened for durability exceeding 1 million cycles. - Q: What warranty coverage?
A: Limited lifetime against manufacturing defects and sagging when installed per guidelines.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Cardboard box, 11 in. x 3 in. x 3 in.
- Weight: 6 lbs
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