SKU: 0800.225.0300 | UPC: 803050107039
Eibach ERS 8.00 in. Length x 2.25 in. ID Coil-Over Spring
Eibach ERS coil-over springs deliver consistent response with an 8.00-inch free length, 2.25-inch inside diameter, and 300 lb/in linear rate. These springs fit standard coil-over strut assemblies in racing and street performance setups for improved cornering and stability. Built for endurance, they maintain shape under high loads in drag, road race, and autocross applications.
Key Features
- 300 lb/in Spring Rate: Provides firm damping control for reduced body roll and sharper turn-in on track or street.
- 8.00 in. Free Length: Matches common coil-over perch spacing for drop-in replacement without custom fabrication.
- 2.25 in. Inside Diameter: Standard size slides over 2.00-2.125 in. shock bodies used in most aftermarket coil-overs.
- Chrome-Silicon Steel: High-tensile alloy resists fatigue for thousands of cycles in motorsport conditions.
- Shot-Peened & Preset: Increases surface strength and ensures flat ends for secure perch contact and load distribution.
Product Notes
- Sold as single spring; order pairs for front/rear setups.
- Inspect shock body diameter and perch design before install.
- Packaged in protective sleeve to prevent shipping damage.
Installation Notes
- Professional installation recommended.
- Lubricate threads and use assembly lube on spring interior.
- Compatible with Eibach Pro-Street, Fortune Auto, BC Racing, and similar coil-over hardware.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coil-Over Assemblies | 2.25 in. ID / 300 lb/in Rate |
| 1989-2005 | Mazda | Miata (NA/NB) | All (Rebuild) |
| 1990-1999 | BMW | 3-Series (E36) | All (Custom Coil-Overs) |
| 1992-2000 | Honda | Civic | EG/EK (Street/Track) |
Why Choose Eibach?
- Proven in World Rally Championship and Formula Drift.
- Every spring load-tested for rate accuracy within 2% tolerance.
- Precision-wound with squared-ground ends for repeatable performance.
Frequently Asked Questions
- Q: Will this spring fit my coil-over setup?
A: Yes, if your assembly requires 2.25 in. ID, 8.00 in. length, and 300 lb/in rate; common in Miata, Civic, and BMW custom kits. - Q: What material and finish does it have?
A: High-tensile chrome-silicon steel with silver powder coat for corrosion resistance and identification. - Q: What is the warranty?
A: Eibach offers limited lifetime warranty on manufacturing defects when installed properly.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard tube, 9 in. L x 3 in. W x 3 in. H
- Weight: 3.0 lbs
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