SKU: 1200.300.0300S | UPC: 803050288240
Eibach ERS 12.00 inch L x 3.00 inch dia x 300 lbs Coil Over Spring - Universal Coilover Fit
This Eibach ERS Super Street coilover spring delivers 300 lbs per inch rate in a 12.00-inch free length and 3.00-inch diameter for precise handling in motorsports. Designed for universal fitment on 3-inch ID coilover shocks used in drag racing, autocross, street strip, and road racing setups. Engineered for consistent performance with reliable load support and height retention under demanding conditions.
Key Features
- Chrome Silicon Steel Construction: High-tensile CrSi wire provides fatigue resistance and long-term durability for repeated high-load cycles.
- Shot Peened and Preset: Increases surface strength and eliminates initial sag, ensuring stable ride height and rate from the first pass.
- Square Ground Ends: Flat, squared ends allow secure seating in coilover perches for even load distribution and vibration-free operation.
- Powder-Coated Finish: Silver powder coat resists corrosion and simplifies identification while protecting against environmental damage.
- Precise Rate Linearity: 300 lb/in progressive response maintains control through corners, launches, and bumps without harshness.
Product Notes
- Confirm coilover shock inner diameter measures 3.00 inches and height accommodates 12.00-inch free length.
- Store in dry conditions to preserve powder coat and spring integrity.
- Packaged in protective sleeve; ships via UPS Ground within continental US.
Installation Notes
- Professional installation recommended.
- Compress spring with quality tool and verify perch spacing matches 12-inch free height.
- Compatible with standard Eibach coilover hardware and 3-inch ID struts/shocks; check thread pitch.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | - | Coilover Applications | 3" ID Shocks (Drag, Autocross, Street) |
Why Choose Eibach?
- Motorsport-proven design trusted in NHRA, SCCA, and Formula Drift competitions.
- German engineering with US manufacturing for consistent quality control.
- Matchmaker program pairs springs precisely to your setup for dialed-in suspension.
Frequently Asked Questions
-
Q: Does this spring fit specific vehicles?
A: Universal design fits any coilover shock with 3.00-inch inner diameter, ideal for custom builds in dragsters, road race cars, and performance imports/domestics. -
Q: What material and finish are used?
A: Wound from premium chrome silicon steel wire with shot-peening, presetting, and silver powder coat for maximum strength and corrosion resistance. -
Q: What is the warranty and install process?
A: Lifetime warranty against sagging when used in approved applications. Install requires spring compressor; set preload to achieve desired ride height and corner balance.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard sleeve, box dimensions 13 x 4 x 4 inches
- Weight: 5.5 lbs
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