Eibach ERS Main Metric Formula Spring (C1000) - 1.42in x 4.96in 1000lb
The Eibach ERS Main Metric Formula Spring delivers the precision, consistency, and compact packaging required for high-level formula and prototype racing. With a 1.42 inch inside diameter, 4.96 inch length, and a 1000 lb/in spring rate, this spring is engineered for applications where linear response, minimal block height, and maximum usable travel are essential.
Built to Eibach's industry-leading tolerances, each 36mm I.D. Formula Spring is individually tested and rated to ensure exact rate accuracy and repeatable performance. The optimized spring design reduces side loading and maintains ideal load distribution along the spring axis, making it a trusted choice for professional teams worldwide.
Features
- 36mm (1.42in) I.D. Formula Spring for compact coilover systems
- 4.96in length with a 1000 lb/in linear spring rate
- Ultra-efficient block height for maximum travel
- Lowest side loads with ideal load center alignment
- Individually tested and rated for unmatched precision
- Trusted globally in formula, prototype, and lightweight race applications
Fitment
- Universal coilover applications using 36mm (1.42in) I.D. springs
- Ideal for Formula cars, prototypes, lightweight chassis, and custom suspension systems
Specifications:
Length: 4.96 in (126 mm)
Inside Diameter: 1.42 in (36 mm)
Rate: 1000 lbs/in (17.85 kg/mm)
Block Height: 3.11 in (79 mm)
Travel: 1.85 in (47 mm)
Block Load: 1841 lbs (8188 N)
Weight: 1.61 lbs (0.73 kg)
Warranty: 5-Year Eibach Warranty
Part Number: C1000
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