Eibach 0800.225.0650 ERS 650 lb Coilover Main Spring 2.25in ID x 8in

Vehicle Fitment

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

Features

• High-quality ERS linear main coilover spring engineered for performance suspension tuning
• 650 lbs/in spring rate for firm support with balanced handling
• Precision-formed spring steel construction for strength and consistency
• Red powder-coat finish for corrosion resistance
• Maximum travel with optimized block height
• Individually tested for rate accuracy and consistency
• Reduced unsprung mass enhances handling feel
• Ideal for custom coilover builds in street and track applications

Specifications

• Part Number: 0800.225.0650
• Type: ERS linear main coilover spring
• Spring Rate: 650 lbs/in
• Inside Diameter: 2.25 in (57 mm)
• Free Length: 8.00 in (203 mm)
• Block Height: ~3.81 in
• Travel: ~4.19 in
• Load at Block Height: ~2,721 lbs
• Weight: ~3.39 lbs

Included Components

• 1x Eibach ERS 650 lb/in main coilover spring

Product Description

The Eibach 0800.225.0650 ERS main coilover spring is a precision high-performance suspension component designed for custom coilover systems where strong, linear support and predictable behavior are desired. With a **650 lbs per inch** spring rate, a **2.25 in inside diameter**, and **8.00 in free length**, this spring delivers firm support, excellent handling response, and generous travel suitable for street performance and track applications.

Constructed from precision-formed spring steel and finished with a durable red powder coat, the 0800.225.0650 offers exceptional durability and reduced unsprung mass to improve overall suspension response. Its optimized block height and generous travel help enhance traction and ride control under dynamic driving conditions. Because this part is universal - not tied to any specific vehicle make or model - confirm compatibility with your coilover shocks and hardware before installation to ensure optimal results.