SKU: 1000.250.0225S | UPC: 803050289049
Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring 225 lb/in
The Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring (MPN 1000.250.0225S) delivers consistent performance for coilover suspension systems in drag racing, road course, and street applications. Designed to fit standard 2.5-inch ID coilover shock bodies, this spring provides balanced response and control under high loads. Its 225 lb/in rate allows fine-tuned setup for specific track or road demands.
Key Features
- Spring Rate: 225 lb/in enables exact ride height and handling adjustments for competition or daily driving.
- Dimensions: 10.00 in. free length x 2.50 in. inside diameter matches common coilover designs for direct replacement.
- Material: High-tensile chrome-silicon steel alloy withstands repeated high-stress cycles without deformation.
- Manufacturing Process: Shot-peened, heat-treated, and preset to maintain shape and deliver reliable rate retention over time.
- Finish: Silver epoxy powder coat protects against rust and chemicals in motorsport environments.
Product Notes
- Inspect coilover perch and retainers for compatibility with 2.50 in. ID prior to installation.
- Use rate-matched springs on both sides for even load distribution and stability.
- Store in dry conditions to preserve coating integrity.
Installation Notes
- Professional installation recommended.
- Square and ground ends ensure flush seating on perch; torque hardware to manufacturer specs.
- Compatible with major aftermarket coilover brands like QA1, Penske, and Bilstein bodies.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Coilover Equipped | Drag/Street/Road Race |
| Universal | Various | Custom Builds | 2.5″ ID Shocks |
Why Choose Eibach?
- Selected by factory teams in NHRA, Formula Drift, and endurance racing.
- Consistent rates tested to 1 million cycles for dependable results.
- German engineering focuses on exact tolerances and load predictability.
Frequently Asked Questions
- Q: Will this spring fit my coilover setup?
A: Fits most 2.50 in. ID coilover shocks from QA1, AFCO, Ridetech, and similar; confirm body diameter and perch design. - Q: What material and treatments are applied?
A: Chrome-silicon steel, shot-peened for surface strength, preset to eliminate initial sag, with silver powder coat for protection. - Q: What warranty coverage applies?
A: Eibach Pro-Street warranty against manufacturing defects; register product for full terms on eibach.com.
Shipping & Handling
- Method: Standard ground
- Availability: In stock – ships same or next business day
- Packaging: Cardboard tube protector, 11 in. L x 3 in. W x 3 in. H
- Weight: 5 lbs
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