SKU: 120-60-0140 | UPC: 803050312761
Eibach ERS 120mm Length x 60mm ID Coil-Over Spring 120-60-0140
This Eibach ERS coil-over spring measures 120mm in free length with a 60mm inside diameter and 14.0 kg/mm spring rate, designed for custom coilover strut assemblies in racing and performance applications. It fits any coilover system with matching 60mm ID perches, delivering consistent damping control and precise cornering response. Built for endurance racing, it withstands high-stress track conditions while maintaining shape over repeated cycles.
Key Features
- Spring Rate: 14.0 kg/mm (784 lb/in) provides balanced stiffness for aggressive handling and stability under load.
- Dimensions: 120mm free length x 60mm ID x 70mm OD ensures compatibility with standard coilover perches and strut bodies.
- Material: High-tensile chrome-silicon steel alloy resists fatigue for long-term durability in motorsports.
- Manufacturing Process: Quadruple shot-peened, heat-treated, tempered, and stress-relieved for reduced breakage risk and consistent performance.
- End Design: Precision ground flat and square ends lock securely into perch seats for maximum contact and energy transfer.
Product Notes
- Special order item; lead time typically 3-7 business days from Eibach.
- Inspect perch diameter and stroke length prior to installation for proper fit.
- Ships in protective cardboard sleeve to prevent damage; store in dry conditions.
Installation Notes
- Professional installation recommended.
- Match spring ID to shock perch diameter exactly at 60mm; preload 10-20mm maximum.
- Compatible with most adjustable coilover bodies like BC Racing, Tein, and Fortune Auto.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coilover Systems | 60mm ID Perch Required |
Why Choose Eibach?
- Trusted by motorsports teams in Formula Drift, NASA, and SCCA since 1951.
- CNC-wound springs ensure load consistency within 3% tolerance.
- German engineering meets ISO 9001 standards for precision and reliability.
Frequently Asked Questions
- Q: Will this spring fit my coilover setup?
A: Yes, if your coilover perch is 60mm diameter and allows 120mm spring length with adequate stroke; common in BC Racing MR Series, D2 Racing, and similar kits. - Q: What material and finish does it have?
A: Made from premium chrome-silicon steel with black powder coat finish for corrosion resistance; nitrogen-infused for extra strength. - Q: What is the warranty?
A: Eibach Pro-Racer limited lifetime warranty against manufacturing defects when used in approved applications.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: Special order – ships within 3-7 business days
- Packaging: Protective sleeve in 6 x 6 x 5 inch box
- Weight: 1.21 lbs (0.55 kg)
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