SKU: 0700.250.0325 | UPC: 803050106421
Eibach ERS 7.00 inch L x 2.50 inch dia x 325 lbs Coil Over Spring
Eibach ERS coil over springs deliver exact spring rates for custom suspension setups in racing and street performance applications. This 7.00-inch tall spring with 2.50-inch inside diameter and 325 lbs per inch rate fits universal coilover shocks from brands like Bilstein, QA1, and Fox. Drivers gain responsive handling and stability under high loads.
Key Features
- Spring Rate: 325 lbs/in provides firm response for cornering and launches without excessive harshness on track or street.
- Dimensions: 7.00 in free height x 2.50 in ID suits most adjustable coilover assemblies for easy drop-in installation.
- Material: High-tensile chrome silicon steel ensures fatigue resistance and long-term durability in demanding conditions.
- Finish: Black epoxy powder coating resists corrosion and maintains performance in wet or salty environments.
- Manufacturing: Shot-peened, preset, and heat-treated for minimal settling and consistent rate retention over thousands of cycles.
Product Notes
- Pair with matching coilover shocks; verify stroke length compatibility before install.
- Store in dry conditions to preserve coating and spring properties.
- Ships in protective individual box; handle with care to avoid surface damage.
Installation Notes
- Professional installation recommended.
- Measure shock extended length to ensure 7.00 in height fits within full droop and bump travel.
- Use OEM or Eibach reducers if shock body ID exceeds 2.50 in; torque per shock manufacturer specs.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | – | Coilover Shock Systems | QA1, Bilstein, Fox, Penske |
| Universal | – | Motorsport Applications | Drag, Road Race, Autocross |
Why Choose Eibach?
- Trusted by World Rally and Formula Drift champions for race-proven reliability.
- Micro-alloyed steel exceeds SAE standards for strength and repeatability.
- CNC-wound with tolerances under 1% for exact rate matching in multi-spring stacks.
Frequently Asked Questions
- Q: Does this spring fit specific coilover brands?
A: Yes, designed for 2.50 in ID coilovers like QA1 Proma Star, Bilstein 5125, Fox 2.0, and most aftermarket adjustable shocks used in custom builds. - Q: What material is used and how durable is it?
A: Premium chrome silicon high-tensile steel, shot-peened and tempered for over 1 million cycles without rate loss in testing. - Q: What is the warranty and install tips?
A: Eibach provides a 1-year motorsport warranty against defects; inspect for proper seating during preload and cycle shocks 5-10 times post-install.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Cardboard box, 8 x 3 x 3 inches
- Weight: 3.5 lbs
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