SKU: 1800.375.0700S | UPC: 803050346018
Eibach ERS 18.00 in. Length x 3.75 in. ID Coil-Over Spring 700 lb/in – Universal
This Eibach ERS coil-over spring measures 18.00 inches in free length with a 3.75 inch inner diameter and 700 lb/in spring rate, designed for coil-over shock applications on performance vehicles. It delivers consistent response and control for street, track, and racing setups where matching dimensions are required. Built to handle high loads with precision ground ends for flat seating.
Key Features
- Spring Rate: 700 lb/in provides firm damping control for improved cornering and stability under load.
- Dimensions: 18.00 in free height x 3.75 in ID fits standard coil-over struts and shocks in racing builds.
- Construction: High-tensile chrome silicon steel alloy shot-peened for extended fatigue life and consistent performance.
- Finish: Custom silver powder coat resists corrosion and maintains rate retention over repeated cycles.
- Processing: Preset, double-disc ground, heat-treated, and nitrogen-fatigue tested for reliability in competition.
Product Notes
- Verify shock perch diameter and stroke length match before installation.
- Inspect for proper seating; use retaining clips if specified by shock manufacturer.
- Ships as special order; allow 3-5 business days for processing.
Installation Notes
- Professional installation recommended.
- Compress spring with tool rated for 700 lb/in rates during assembly.
- Compatible with most adjustable coil-over perches designed for 3.75 in ID springs.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coil-Over Equipped | Street/Track/Race |
Why Choose Eibach?
- Proven in motorsports with championships across series worldwide.
- Engineered in Germany with tight tolerances for repeatable results.
- Tested for millions of cycles to ensure long-term rate stability.
Frequently Asked Questions
- Q: Will this spring fit my coil-over shock?
A: Fits shocks with 3.75 in ID perch and minimum 18 in stroke; check manufacturer specs for exact match. - Q: What material is used and does it rust?
A: Premium chrome silicon steel with silver powder coat finish protects against corrosion in wet conditions. - Q: What is the warranty and return policy?
A: Lifetime warranty against spring sag or failure under normal use; contact seller for details on special order returns.
Shipping & Handling
- Method: Standard Ground
- Availability: Special order – ships within 3-5 business days
- Packaging: Protective cardboard tube, approx. 20 x 5 x 5 inches
- Weight: 6 lbs
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