SKU: 1800.375.0600S | UPC: 803050448477
Eibach ERS 18.00 in. Length x 3.75 in. ID Silver Coil-Over Spring – Universal Fit
The Eibach ERS 18.00 in. Length x 3.75 in. ID Silver Coil-Over Spring (1800.375.0600S) features a 600 lb/in spring rate for coil-over suspension systems in racing and performance vehicles. This universal spring fits most aftermarket coil-over struts, providing consistent damping and control during cornering, launches, and high-speed runs. Built from high-tensile chrome silicon steel, it withstands demanding track conditions.
Key Features
- 600 lb/in Spring Rate: Delivers firm response for drag racing, autocross, and road course handling.
- 18.00 in. Free Length x 3.75 in. ID: Matches standard coil-over shock bodies for easy integration in custom setups.
- 0.750 in. Wire Diameter: Balances strength and weight for reduced unsprung mass.
- Shot-Peened & Heat-Treated Steel: Enhances fatigue resistance and maintains rate under repeated stress.
- Silver Epoxy Coating & Scragg Ends: Resists corrosion while ensuring flat, secure perch contact.
Product Notes
- Verify coil-over shock ID and perch compatibility before installation.
- Pair with matching rate springs for front/rear balance.
- Standard ground shipping; no special handling required.
Installation Notes
- Professional installation recommended.
- Match spring rate to total vehicle weight and tire pressures.
- Compatible with QA1, Bilstein, and most adjustable coil-over hardware.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coil-Over Systems | Racing/Performance |
Why Choose Eibach?
- Trusted by motorsports teams in NHRA, SCCA, and NASA racing.
- Computer-controlled winding for rate consistency within 1%.
- Tested for over 500,000 cycles without sagging.
Frequently Asked Questions
- Q: Will this fit my coil-over kit?
A: Fits coil-overs with 3.75 in. ID perches; common in drag and circle track setups like Mustang or Camaro conversions. - Q: What material and finish?
A: Chrome silicon steel construction with silver epoxy coating for rust protection and track longevity. - Q: What warranty applies?
A: Limited lifetime warranty covers manufacturing defects when installed properly.
Shipping & Handling
- Method: Standard Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box, 18.5 x 5 x 5 in.
- Weight: 11.60 lbs
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