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SKU: 1800.300.0800S | UPC: 803050288165
Eibach ERS 18.00 in. Length x 3.00 in. ID Coil-Over Spring 800 lb/in - Universal
Eibach ERS 1800.300.0800S is a high-performance coil-over spring measuring 18.00 inches in free length with 3.00 inch inside diameter and 800 lb/in linear spring rate. This silver-finished spring fits universal custom coil-over strut assemblies in drag racing, circle track, road race, and performance street applications. It provides firm suspension control and consistent response under high loads for improved handling.
Key Features
- Spring Rate: 800 lb/in linear rate delivers firm damping for precise cornering and stability in racing conditions.
- Dimensions: 18.00 in. free length x 3.00 in. ID fits standard coil-over perches and housings in most strut setups.
- Material: High-tensile chrome silicon steel resists fatigue for extended service life in demanding motorsport use.
- Construction: Shot-peened, preset, and scragged processes ensure shape retention and load consistency over repeated cycles.
- Grind Design: Proprietary double-tapered 90-degree grind on both ends promotes smooth coil-to-housing contact and prevents damage.
Product Notes
- Sold individually; pair with matching rates for front/rear setups.
- Nitrogen infusion enhances corrosion resistance for track and off-road exposure.
- Standard ground shipping; handles LTL freight not required.
Installation Notes
- Professional installation recommended.
- Verify perch compatibility with 3.00 in. ID before install.
- Requires OEM or aftermarket coil-over retainers and hardware.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coilover Strut Systems | 3.00in ID Applications |
| Universal | All | Drag Racing | Custom Suspension |
| Universal | All | Circle Track | Road Race Setups |
Why Choose Eibach?
- Proven in World Rally and endurance racing with championship wins.
- Manufactured to tight tolerances in the USA for repeatable performance.
- Engineered for motorsport durability and load handling.
Frequently Asked Questions
-
Q: What suspension systems does this spring fit?
A: Universal design fits most custom coil-over struts with 3.00 in. ID perches in drag, circle track, road race, and performance vehicles; confirm length compatibility. -
Q: What material and finish are used?
A: Premium chrome silicon steel with shot-peening, nitrogen infusion, and silver powder coat finish for corrosion resistance and longevity. -
Q: What is the warranty coverage?
A: Eibach offers limited lifetime warranty on manufacturing defects for racing applications; register product for full coverage details.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard tube/box approx. 19 x 4 x 4 inches
- Weight: 6.00 lbs
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