SKU: 1200.250.0450S | UPC: 803050289377
Eibach ERS 12.00 in. Length x 2.50 in. ID Coil-Over Spring – 450 lb/in Rate
The Eibach ERS 12.00 in. Length x 2.50 in. ID Coil-Over Spring delivers a precise 450 lb/in spring rate for coilover strut and shock setups. This universal spring fits drag racing, circle track, road racing, off-road, and tow/trailer applications with standard 2.50 in. ID coilovers. It provides consistent damping response and long-lasting durability under high-stress conditions.
Key Features
- 450 lb/in Spring Rate: Delivers firm, predictable handling for improved cornering and stability in performance driving.
- 12.00 in. Free Length x 2.50 in. ID: Matches most adjustable coilover shocks for straightforward integration in custom builds.
- Chrome Silicon Steel Construction: Shot-peened for fatigue resistance, ensuring reliability over thousands of cycles.
- Silver Powder Coat Finish: Protects against corrosion and elements for sustained performance in harsh environments.
- Precision Manufacturing: Preset, squared ends with double-disc grinding for flat seating and easy perch installation.
Product Notes
- Match-marked for rate identification during inventory and setup.
- Inspect perches and retainers for 2.50 in. ID compatibility before use.
- Standard ground shipping; secure packaging prevents spring expansion in transit.
Installation Notes
- Professional installation recommended.
- Compress spring safely using proper coil spring compressor tools.
- Compatible with Eibach Pro-Street coilovers and most aftermarket adjustable strut/shock perches.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | – | Coilover Strut/Shock Applications | Drag Racing, Circle Track, Road Race, Off-Road |
Why Choose Eibach?
- Trusted by professional racers worldwide for consistent results.
- Engineered with advanced heat treatment for strength and longevity.
- Precision tolerances ensure repeatable performance in every spring.
Frequently Asked Questions
- Q: Does this spring fit specific vehicles?
A: Universal design fits most 2.50 in. ID coilover struts and shocks in drag, circle track, road racing, off-road, and towing setups. - Q: What material and finish are used?
A: High-tensile chrome silicon steel with shot-peening, preset tempering, and silver powder coat for corrosion resistance. - Q: What is the warranty and installation advice?
A: Eibach offers a limited lifetime warranty against manufacturing defects; professional installation advised to verify perch fit and torque specs.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure cardboard box, 12.5 x 2.75 x 2.75 inches
- Weight: 5.4 lbs





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