SKU: 0175.250.0250 | UPC: 803050100443
Eibach ERS 2.50 in. ID Linear Tender Spring – 250 lb/in Rate
Eibach ERS 2.50 in. ID Linear Tender Spring delivers a precise 250 lb/in rate for coilover setups in race cars, dragsters, road racing vehicles, and performance street applications. This universal component fits most adjustable coilover struts with matching ID. It provides smooth initial compliance before engaging the main spring, improving bump absorption and chassis control.
Key Features
- Linear Rate: 250 lb/in for predictable suspension response and consistent handling lap after lap.
- Dimensions: 2.50 in. inner diameter, 3.54 in. free height, 0.187 in. wire diameter for direct coilover compatibility.
- Construction: High-tensile chrome silicon steel, shot-peened and preset for fatigue resistance under high loads.
- Tolerances: Tightest industry standards from series production ensure rate consistency within 1%.
- Design: 6.2 total coils (4.1 active), 1.44 in. block height for full travel in compact setups.
Product Notes
- Spring weight 1.69 lbs; pair recommended for front or rear coilover applications.
- Store in dry conditions to maintain preset characteristics.
- Special order item; verify stock before ordering.
Installation Notes
- Professional installation recommended.
- Confirm coilover inner diameter measures exactly 2.50 in. for proper fit.
- Use with compatible perches and bump stops; torque hardware to manufacturer specs.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | – | Coilover Assemblies | 2.50″ ID Tenders |
Why Choose Eibach?
- Proven in professional motorsports including NHRA, NASA, and SCCA racing.
- Series production process yields repeatable rates and minimal variation.
- Engineered for endurance with over 50 years of suspension expertise.
Frequently Asked Questions
- Q: Does this fit specific coilover brands?
A: Yes, compatible with most brands like QA1, AFCO, and Penske using 2.50 in. ID struts; measure your assembly to confirm. - Q: What material is used?
A: Dual-layer chrome silicon steel with epoxy coating, heat-treated, shot-peened, and preloaded for 200,000+ cycle life. - Q: What warranty applies?
A: Limited lifetime warranty against manufacturing defects when used in approved applications; excludes abuse or improper installation.
Shipping & Handling
- Method: UPS Ground / USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective tube inside cardboard box, 6 x 4 x 4 in.
- Weight: 1.69 lbs





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