Eibach 0600.225.0850 ERS 850 lb Coilover Main Spring 2.25in ID x 6in

Vehicle Fitment

• Universal application - designed for use with compatible coilover suspension systems
• Not specific to any single vehicle make/model

Features

• High-performance ERS linear main coilover spring
• 850 lbs/in spring rate for firm, predictable suspension support
• Precision-formed spring steel construction for durability
• Red powder-coat finish for corrosion resistance
• Maximum travel with compact block height
• Individually tested for rate accuracy and consistency
• Reduced unsprung mass for improved handling feel
• Ideal for track, motorsport, and performance street suspension tuning

Specifications

• Part Number: 0600.225.0850
• Type: ERS linear main coilover spring
• Spring Rate: 850 lbs/in
• Inside Diameter: 2.25 in (57 mm)
• Free Length: 6.00 in (152 mm)
• Block Height: ~2.89 in
• Travel: ~3.11 in
• Load at Block Height: ~2,640 lbs
• Weight: ~2.45 lbs

Included Components

• 1x Eibach ERS 850 lb/in main coilover spring

Product Description

The Eibach 0600.225.0850 ERS main coilover spring is a premium performance suspension component engineered for custom coilover systems where precise spring rate and high load capacity are required. With an **850 lbs per inch** rate and a **2.25 in inside diameter**, this spring delivers firm, predictable support throughout suspension travel - making it well suited for performance street, competition, and track applications.

Constructed from precision-formed spring steel and finished with a durable red powder coat, the 0600.225.0850 spring provides maximum travel with a compact block height, improving responsiveness and handling balance in tuned suspension setups. Its robust design and quality testing ensure consistent behavior under dynamic driving conditions. Because this part is universal (not specific to a particular vehicle), verify compatibility with your chosen coilover shock and hardware before installation for best results.