SKU: 1200.300.0650S | UPC: 803050482983
Eibach ERS 12.00 in. Length x 3.00 in. ID Coil-Over Spring – 650 lb/in Rate
Eibach ERS coil-over springs deliver consistent performance for race and street applications. This 12.00 in. free length spring with 3.00 in. inside diameter fits custom coilover struts in drag racing, road racing, and autocross vehicles. The 650 lb/in rate provides firm support for high-load handling and precise control.
Key Features
- High Spring Rate: 650 lb/in rate handles heavy loads up to 1732 lbs block load for stable cornering and launch control.
- Precision Dimensions: 12.00 in. (305 mm) free length and 3.00 in. (76 mm) ID ensure drop-in compatibility with most adjustable coilover systems.
- Chrome Silicon Steel: High-tensile material resists fatigue for repeated high-stress cycles in competition use.
- Silver Powder Coat Finish: Protects against corrosion in harsh racing environments while maintaining consistent performance.
- Squared Ground Ends: Flat, ground ends promote even seating on perches for accurate height adjustment and load distribution.
Product Notes
- Shot-peened and preset construction minimizes initial sag under preload.
- Double-tempered for long-term rate retention in extreme conditions.
- Ships in protective sleeve; inspect ends for proper orientation during install.
Installation Notes
- Professional installation recommended.
- Match with coilover shocks rated for 3.00 in. ID springs and 650 lb/in minimum.
- Use OEM or aftermarket perches compatible with 76 mm ID; torque to manufacturer specs.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coilover Equipped Vehicles | 3.00 in. ID Struts/Shocks |
| Universal | Custom | Drag/Road Race Builds | 650 lb/in Compatible |
Why Choose Eibach?
- Decades of motorsport experience with springs in Formula, NASCAR, and rally.
- Winders use computer-controlled CNC for exact rate and tolerance control.
- Each spring tested for load consistency before shipping.
Frequently Asked Questions
- Q: Will this spring fit my coilover setup?
A: Yes, designed for any coilover strut or shock with 3.00 in. (76 mm) ID accepting 12.00 in. length; verify perch compatibility and rate matching. - Q: What material is used and does it rust?
A: Premium chrome silicon steel with silver powder coat finish resists corrosion; ideal for track and street exposure. - Q: What is the warranty?
A: Eibach offers limited warranty against manufacturing defects and sagging when used in approved applications; register product for coverage.
Shipping & Handling
- Method: UPS Ground / FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard tube, box dimensions 13 x 4 x 4 inches
- Weight: 6.25 lbs
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