SKU: 0500.225.0700 | UPC: 803050103604
Eibach ERS 5.00 inch L x 2.25 inch dia x 700 lbs Coil Over Spring - Universal Coilover Fit
This Eibach ERS coilover spring measures 5.00 inches in free length with a 2.25 inch inner diameter and 700 lbs per inch spring rate, designed for high-performance coilover setups in racing, drag, and street applications. It fits universal coilover shocks from brands like QA1, Penske, and Fortune Auto where 2.25" ID compatibility is required. Engineered to deliver firm support, quick response, and lasting consistency under extreme loads.
Key Features
- Precise Dimensions: 5.00" free length x 2.25" ID x 700 lb/in rate ensures exact match for demanding suspension tuning in drag racing and autocross.
- Chrome Silicon Steel: High-tensile material resists fatigue for repeated high-impact cycles without deformation.
- Shot-Peened Surface: Increases strength and longevity, reducing stress cracks during hard launches and cornering.
- Squared Ground Ends: Provides stable seating on perches for even load distribution and zero bind.
- Rate Imprinting: Clearly marked 700 lb rate allows quick identification during setup and adjustments.
Product Notes
- Inspect shock body and perch for 2.25" spring compatibility before installation.
- Store in dry conditions to maintain steel integrity over time.
- Ships as single spring in protective sleeve to prevent damage.
Installation Notes
- Professional installation recommended.
- Compress spring with safety-rated tool; torque per shock manufacturer specs.
- Compatible with flat or extended perches on most adjustable coilover bodies.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coilover Shocks | 2.25" ID Compatible |
| Universal | QA1 | Proma Star/Pro Series | Drag/Street |
| Universal | Fortune Auto | 500 Series | Racing |
Why Choose Eibach?
- Trusted by world-class race teams in Formula Drift and NHRA events.
- German-engineered for exact tolerances and repeatable performance.
- Backed by decades of suspension innovation since 1951.
Frequently Asked Questions
-
Q: Does this spring fit specific coilover brands?
A: Yes, matches 2.25" ID shocks like QA1 Proma Star, Fortune Auto 500, and Bilstein coilovers used in drag, drift, and track cars. -
Q: What material is used and why?
A: Premium chrome silicon steel alloy, heat-treated and nitrogen-infused for superior fatigue resistance under high G-forces. -
Q: What warranty applies?
A: Eibach limited lifetime warranty against manufacturing defects when installed correctly.
Shipping & Handling
- Method: Standard Ground
- Availability: In stock - ships same or next business day
- Packaging: Single spring in protective cardboard sleeve; box dimensions 6" x 6" x 6"
- Weight: 3.1 lbs
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