Eibach ERS 10.00-Inch Coilover Spring, 2.50-Inch Inside Diameter, 400 lb/in Rate - EIB1000.250.0400S

Renowned for our extensive catalog of over 1,500 precision engineered race springs. Eibach race springs offer unparalled customization and performance optimization across a wide spectrum of racing applications. From shocks to pull-bars we offer a wide range of springs solutions to fine tune the handling dynamics of your race car. Individual Motorsport Spring

• Eibach 2.50" Inside Diameter Coilover Springs Available in a Full Range of Rates and Lengths
• Maximum Travel in Combination with Smallest Block Heights
• Legendary Eibach Off-Road Durability and Performance
• Highest Linearity and Guaranteed Consistency
• Each Spring Individually Tested

The Eibach ERS individual motorsport coilover spring is engineered for race teams and performance enthusiasts who need precise control over suspension tuning. Designed with a 2.50-inch inside diameter and a 400 lb/in spring rate, this spring supports a broad range of racing applications where predictable handling and consistent suspension response are essential.

Built from Eibach’s extensive motorsport spring development experience, the ERS series combines maximum suspension travel with compact block heights. Its linear spring behavior helps maintain consistent performance throughout the operating range, while Eibach’s manufacturing standards provide dependable durability for demanding track and off-road environments. Each spring is individually tested to help ensure reliable rate consistency from one component to the next.

The Eibach ERS spring is suitable for custom coilover setups, race car suspension development, and applications requiring precise adjustment of handling balance. Its universal motorsport design allows fitment across many custom-built and competition vehicles when used with compatible 2.50-inch coilover hardware. Verify spring length, rate, available travel, and vehicle-specific suspension requirements before installation.

Key Product Specifications and Technical Data

• Brand: Eibach
• Part Number: EIB1000.250.0400S
• Series: ERS Motorsport
• Product Type: Individual coilover spring
• Inside Diameter: 2.50 inches
• Free Length: 10.00 inches
• Spring Rate: 400 lb/in
• Application: Racing and custom motorsport suspension systems

What’s Included

• One Eibach ERS individual motorsport coilover spring

Features:

• 2.50-Inch Coilover Compatibility: Designed for suspension systems using compatible 2.50-inch inside-diameter coilover hardware.
• 400 lb/in Spring Rate: Provides a defined, repeatable rate for precise race suspension tuning.
• Maximum Suspension Travel: Engineered to support substantial travel while maintaining compact block heights.
• Consistent Linear Performance: Individually tested for dependable spring-rate consistency and predictable handling response.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1