Eibach 0700.250.0300 ERS 300 lb Coilover Main Spring 2.50in ID x 7in

Vehicle Fitment

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

Features

• ERS linear main coilover spring engineered for performance suspension tuning
• 300 lbs/in spring rate for balanced compliance and support
• Precision-formed high-tensile spring steel construction
• Red powder-coat finish for corrosion resistance
• Maximum travel with minimal block height
• Individually tested for consistent performance and linearity
• Ultra-lightweight design lowers unsprung mass
• Ideal for custom coilover builds on street or track applications

Specifications

• Part Number: 0700.250.0300
• Type: ERS linear main coilover spring
• Spring Rate: 300 lbs/in
• Inside Diameter: 2.50 in (63.5 mm)
• Free Length: 7.00 in (178 mm)
• Block Height: ~2.48 in
• Travel: ~4.52 in
• Load at Block Height: ~1,356 lbs
• Weight: ~1.8 lbs

Included Components

• 1x Eibach ERS 300 lb/in main coilover spring

Product Description

The Eibach 0700.250.0300 ERS main coilover spring is a precision-engineered suspension component designed for performance suspension tuning and custom coilover applications. With a **300 lbs per inch** linear spring rate and a **2.50 in inside diameter**, this spring offers a balanced combination of support and compliance, making it a versatile choice for performance street, track day, or custom suspension builds.

Constructed from high-tensile spring steel with a durable red powder-coat finish, this spring provides generous travel while maintaining a low block height, helping improve ride quality and handling stability. Each spring is individually tested for rate consistency and linear behavior - hallmark qualities of Eibach's ERS line. Because this part is universal (not tied to a specific vehicle), verify compatibility with your chosen coilover shocks and associated hardware before installation for best results.