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SKU: 1200.250.0200 | UPC: 803050113511
Eibach ERS 12.00 in. Length x 2.50 in. ID Coil-Over Spring - 200 lb/in Rate
This Eibach ERS coil-over spring measures 12.00 inches in free length with a 2.50-inch inside diameter and delivers a precise 200 lb/in spring rate for responsive handling in racing and performance applications. It fits universal coilover shocks from brands like QA1, Bilstein, and Fox where 2.5-inch ID springs are specified. Expect reliable deflection under load with no permanent set up to 900 lbs.
Key Features
- Spring Rate: 200 lb/in with +/- 5% tolerance for predictable suspension response across 25% deflection (50 lbs), 50% (100 lbs), and full travel.
- Dimensions: 12.00 in. free height, 2.50 in. ID, 3.43 in. OD, 0.854 in. wire diameter, 1.64 in. block height fits standard coilover assemblies.
- Material: High-tensile chrome silicon steel provides fatigue resistance for endurance racing and repeated high-load cycles.
- Construction: Shot-peened, preset, and scragged during manufacturing ensures flat seating and stand not to exceed 5 degrees under load.
- Load Capacity: Handles up to 900 lbs before permanent set, ideal for drag, road course, or street performance coilover setups.
Product Notes
- Verify shock body diameter and travel match spring dimensions before installation.
- Powder-coated black finish resists corrosion; clean with mild soap after track use.
- Single spring ships ready for immediate coilover assembly.
Installation Notes
- Professional installation recommended.
- Lubricate threads and ensure spring seats fully on collars without binding.
- Compatible with adjustable coilover perches and 2.5 in. ID shock bodies; torque per shock manufacturer specs.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coilover Shocks | 2.5" ID Compatible |
Why Choose Eibach?
- Race-proven in World Challenge, NASA, and drag series with championship wins.
- Made in Germany with tight tolerances for repeatable performance.
- Engineered for high-cycle durability in motorsports environments.
Frequently Asked Questions
-
Q: Will this spring fit my specific coilover shock?
A: Designed for universal use on 2.5 in. ID coilover shocks; confirm free height 12 in., rate 200 lb/in, and max OD clearance under 3.5 in. for your setup. -
Q: What material and finish does it have?
A: Built from high-tensile chrome silicon steel, heat-treated, shot-peened, and powder-coated black for corrosion resistance and longevity. -
Q: What is the warranty and return policy?
A: Backed by Eibach limited lifetime warranty against manufacturing defects when installed correctly; contact for returns within 30 days.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Cardboard box dimensions 12.5 x 3.5 x 3.5 inches
- Weight: 6.30 lbs
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