SKU: 1000.250.0350S | UPC: 803050289360
Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring – 350 lb/in (Universal)
The Eibach ERS 10.00 in. Length x 2.50 in. ID Coil-Over Spring delivers a 350 lb/in rate for custom coil-over setups in drag racing, road course, and oval track applications. This universal spring fits most adjustable coil-over shocks, providing balanced ride height control and responsive handling. Built for high-stress motorsport demands, it maintains rate consistency under repeated loads.
Key Features
- Spring Rate: 350 lb/in ensures predictable damping response and chassis balance in racing conditions
- Dimensions: 10.00 in. free height x 2.50 in. inside diameter compatible with standard 2.5 in. coil-over shock bodies
- Material: High-tensile chrome silicon SAE 9254V steel resists fatigue for long-term reliability
- Manufacturing Process: Shot-peened, heat-treated, preset, and scrub-cleaned to eliminate sag and deliver linear performance
- Finish: Epoxy powder coat with yellow ERS identification stripe protects against corrosion and simplifies identification
Product Notes
- Sold as single spring for custom pairing in dual-spring setups
- Nitrogen gas fatigue tested over 500,000 cycles for motorsport durability
- Packaged in protective box for secure transit
Installation Notes
- Professional installation recommended.
- Match spring rate to vehicle weight and shock valving for optimal setup
- Grindable ends allow custom block height adjustments; use proper spring compressor
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coil-Over Suspension | Racing/Drag/Track |
Why Choose Eibach?
- Trusted by pro racing teams in Formula Drift, NHRA, and World Rally
- German precision engineering with CNC winding for exact tolerances
- Rigorous dyno testing verifies rate accuracy within 2% variance
Frequently Asked Questions
- Q: Will this spring fit my coil-over shock?
A: Yes, designed for universal use on shocks with 2.50 in. body diameter; confirm ID clearance and rate compatibility for your setup - Q: What material is used in this spring?
A: Premium chrome silicon SAE 9254V steel, shot-peened and tempered for high-cycle fatigue resistance in racing environments - Q: What warranty coverage applies?
A: Limited lifetime warranty against manufacturing defects and sagging when installed correctly in approved applications
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box, 10.5 in. L x 3 in. W x 3 in. H
- Weight: 5.3 lbs
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