SKU: 0600.225.0850 | UPC: 803050105066
Eibach ERS 6.00 in. Length x 2.25 in. ID Coil-Over Spring – 850 lb/in Rate
The Eibach ERS 6.00 in. Length x 2.25 in. ID Coil-Over Spring (MPN 0600.225.0850) fits universal coil-over shocks in drag racing, road racing, off-road, and street performance setups. This 850 lb/in rate spring handles high loads with consistent response for track demands. Built from chrome silicon steel, it maintains shape under extreme conditions.
Key Features
- Free Height: 6.00 inches (152 mm) supports adjustable ride heights in compact coilover assemblies.
- Inside Diameter: 2.25 inches (57 mm) matches standard coilover shock bodies from QA1, AFCO, and others.
- Spring Rate: 850 lb/in (14.90 kgf/mm) delivers firm control for quick handling in racing applications.
- Construction: High-tensile chrome silicon steel, shot-peened for fatigue resistance and long life.
- Finish: Silver powder coat resists corrosion in harsh racing environments.
Product Notes
- Pair with matching rate springs front/rear for balanced setup.
- Inspect for proper preload during assembly to avoid binding.
- Standard ground shipping; handles like standard package.
Installation Notes
- Professional installation recommended.
- Compress spring safely using coil spring compressor tool.
- Compatible with 2.25 in ID coilover perches and retainers; check shock travel clearance.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | N/A | Coil-Over Applications | Drag Racing, Road Racing, Street/Strip, Off-Road |
Why Choose Eibach?
- Used by factory teams in NHRA, NASCAR, and Formula Drift.
- Precision-wound on computer-controlled machines for exact rates.
- Test-proven in millions of racing miles worldwide.
Frequently Asked Questions
- Q: Does this spring fit my coilover shock?
A: Yes, 2.25 in ID fits most adjustable coilovers like QA1 Proma Star, Bilstein, Fox, and King shocks used in racing. - Q: What material and treatment does it use?
A: Chrome silicon high-tensile steel, dual shot-peened, preset, and scrub-cleaned for maximum cycles before sag. - Q: What is the warranty and install tip?
A: Limited lifetime warranty on manufacturing defects; torque perches to spec and cycle suspension post-install.
Shipping & Handling
- Method: Standard Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective sleeve in cardboard box
- Weight: 2.60 lbs
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