SKU: HELPER250M | UPC: 803050503077
Eibach ERS 2.5in ID Helper Springs HELPER250M – Universal Coilover Fit
Eibach ERS 2.5in ID Helper Springs (HELPER250M) deliver progressive support to main coilover springs, preventing full compression and maintaining tire contact patch during aggressive cornering or low ride heights. These polyurethane rubber helpers fit universally on coilover kits with 2.5-inch inner diameter struts and perches, compatible across numerous performance vehicles. Sold as a pair, they enhance suspension response and durability for street or track use.
Key Features
- 2.5in Inner Diameter: Precise 2.52in (64mm) ID slides directly onto compatible coilover struts for seamless integration without modifications.
- Progressive Medium Rate: Delivers smooth ramp-up from 100 lbs/in to 400 lbs/in, providing graduated support that matches main spring travel for consistent handling.
- 70mm Free Height: 2.76in (70mm) length ensures full engagement at ride height while allowing full droop without binding.
- High-Density Polyurethane: Tough rubber compound resists heat, ozone, and chemicals for long-lasting performance in demanding conditions.
- Black Powder Coat Finish: Corrosion-resistant coating protects against road salt, moisture, and UV exposure for reliable year-round use.
Product Notes
- Sold as a pair; inspect coilover perch for proper seating during install.
- Pair with Eibach Pro-Street or Pro-Rally coilovers for optimal results.
- Special order item; allow 3-5 business days for processing and shipment.
Installation Notes
- Professional installation recommended.
- Compress main spring fully during assembly to seat helper springs on lower perch.
- Compatible with standard coilover hardware; no additional spacers required.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coilover Suspension | 2.5in ID Struts |
| 1988-2023 | Honda | Civic | Si / Type R (w/ 2.5″ coilovers) |
| 2002-2023 | Subaru | WRX / STI | All (w/ 2.5″ coilovers) |
| 1999-2023 | VW | Golf / GTI | MK4-MK8 (w/ 2.5″ coilovers) |
| 1992-2023 | BMW | 3 Series | E36-E90 (w/ 2.5″ coilovers) |
Why Choose Eibach?
- Engineered in Germany with over 70 years of suspension expertise for motorsport and street applications.
- Progressive spring technology used by OEMs and racing teams worldwide.
- Made to exact tolerances for drop-in fit and repeatable performance.
Frequently Asked Questions
- Q: Will these fit my coilover kit?
A: Yes, HELPER250M fits any coilover with 2.5in (64mm) ID struts, including Eibach Pro-Street, BC Racing, Tein, and KW setups; verify perch diameter. - Q: What material are they made from?
A: High-density progressive polyurethane rubber for superior load handling, heat resistance up to 250°F, and fatigue-free operation over 100,000 miles. - Q: What is the warranty?
A: Eibach offers a limited lifetime warranty against manufacturing defects when installed and used properly on compatible applications.
Shipping & Handling
- Method: Standard Ground
- Availability: Special order – ships in 3-5 business days
- Packaging: Compact cardboard box, 7in x 5in x 5in
- Weight: 1.7 lbs
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