Eibach 0900.225.0550 550 lb Coilover Main Spring 2.25in ID x 9in

Vehicle Fitment

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

Features

• ERS linear coilover spring designed for performance and racing suspension systems
• 550 lbs/in spring rate for a balanced setup with great handling characteristics
• Precision-formed spring steel ensures durability and consistency
• Red powder-coat finish to resist corrosion and abrasion
• Optimal travel combined with minimal block height for better suspension articulation
• Individually tested to ensure rate consistency and accurate performance
• Lightweight construction reduces unsprung mass, improving dynamic response
• Perfect for custom builds, track applications, and performance suspension systems

Specifications

• Part Number: 0900.225.0550
• Type: ERS linear coilover spring
• Spring Rate: 550 lbs/in
• Inside Diameter: 2.25 in (57.15 mm)
• Free Length: 9.00 in (228.6 mm)
• Block Height: ~4.20 in
• Travel: ~4.80 in
• Load at Block Height: ~2,700 lbs
• Weight: ~3.12 lbs

Included Components

• 1x Eibach 0900.225.0550 coilover spring

Product Description

The Eibach 0900.225.0550 ERS coilover spring is designed for high-performance suspension systems that require superior handling and stability. With a **550 lbs/in** spring rate, **9.00 in free length**, and **2.25 in inside diameter**, it provides an ideal balance between support and articulation for performance builds and track applications. This spring is perfect for those who need responsive and predictable suspension performance across demanding terrains.

Constructed from precision-formed high-tensile spring steel, the 0900.225.0550 coilover spring features a **red powder-coat finish** for added protection against corrosion and physical wear. The spring's travel and block height are optimized to work seamlessly with custom suspension setups. Each spring is individually tested to ensure it meets Eibach's high standards for rate consistency and performance. Verify compatibility with your coilover shocks and suspension system before installation for optimal performance.