SKU: 1600.250.0550S | UPC: 803050296870
Eibach ERS 16.00 in. Length x 2.50 in. ID Coil-Over Spring – 550 lb/in
The Eibach ERS 16.00 in. Length x 2.50 in. ID Coil-Over Spring delivers precise 550 lb/in rate for demanding track and drag applications. Designed for 2.5-inch ID coilover shocks, it suits custom setups on performance Mustangs, Camaros, and similar vehicles. Expect consistent damping response and reduced body roll under high loads.
Key Features
- 550 lb/in Spring Rate: Firm response suits drag launches and cornering forces in racing setups.
- 16.00 in. Free Length: Matches standard coilover stroke lengths for full suspension travel.
- 2.50 in. Inner Diameter: Direct fit for QA1, Bilstein, Fox, and other popular coilover bodies.
- Chrome Silicon Steel: Heat-treated and shot-peened for fatigue resistance and 200,000+ cycle life.
- Silver Powder Coat Finish: Protects against rust and road salt in street-to-track use.
Product Notes
- Sold as single spring; order quantities needed for front/rear setups.
- Inspect shock perches for proper 2.5 in. spring locator compatibility.
- Packaged in protective sleeve; store vertically to maintain coil shape.
Installation Notes
- Professional installation recommended.
- Use heavy-duty spring compressor rated for 550+ lb/in rates.
- Compatible with flat or concave perches; verify seat angle under load.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965-2023 | Ford | Mustang | All (Coilover Equipped) |
| 1967-2023 | Chevrolet | Camaro | All (Coilover Equipped) |
| 1964-2023 | Chevrolet | Chevelle | All (Coilover Equipped) |
| Universal | Various | Coilover Shocks | 2.50 in. ID Bodies |
Why Choose Eibach?
- Motorsport heritage with NHRA and Formula Drift champions.
- Precision CNC winding ensures rate accuracy within 2% tolerance.
- Made in ISO-certified facilities for repeatable performance.
Frequently Asked Questions
- Q: Does this spring fit my coilover shock?
A: Yes, for any 2.50 in. ID coilover body like QA1 Proma Star, AFCO, or Ridetech; measure shock ID to confirm. - Q: What material is used and how durable?
A: Premium chrome silicon high-tensile steel, shot-peened, preset, and nitrogen-infused for extended life under racing abuse. - Q: What is the warranty and install tips?
A: Limited lifetime warranty on manufacturing defects; torque perches to spec and preload 1-2 inches for safety.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard tube, 17 in. x 4 in. x 4 in.
- Weight: 6 lbs
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