Eibach ERS 9.00-Inch Coil-Over Race Spring, 2.25-Inch ID, 400 lb/in Rate

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 Coilover Springs Available in a Full Range of Rates and Sizes
• Maximum Travel in Combination with Smallest Block Heights
• Highest Linearity and Guaranteed Consistency
• Ultra-Lightweight for Reduced Unsprung Mass
• Each Spring Individually Tested

The Eibach ERS 9.00-Inch Coil-Over Race Spring is an individually tested Motorsport Spring designed for racing applications that demand precise suspension tuning and consistent performance. Part number EIB0900.225.0400 combines a 9.00-inch free length, 2.25-inch inside diameter, and 400 lb/in spring rate for predictable handling characteristics and dependable support throughout the suspension’s operating range.

Manufactured for professional-level motorsport use, this Eibach race spring delivers maximum suspension travel while maintaining a compact block height. Its highly linear rate helps provide repeatable vehicle behavior, allowing drivers and suspension tuners to fine-tune handling dynamics across a wide variety of race cars. The lightweight construction also helps reduce unsprung mass, supporting responsive suspension movement and improved control.

Each Eibach ERS spring is individually tested to ensure reliable consistency from one spring to the next. The extensive ERS catalog offers a broad range of rates and sizes, making this spring suitable for custom coilover setups, competition suspension systems, and other applications requiring accurate spring selection. This product is sold individually and is intended for use with compatible racing suspension components.

Key Product Specifications & Technical Data

• Brand: Eibach
• Series: ERS Motorsport Spring
• Part Number: EIB0900.225.0400
• Spring Type: Individual coil-over race spring
• Free Length: 9.00 inches
• Inside Diameter: 2.25 inches
• Spring Rate: 400 lb/in
• Application: Racing and motorsport suspension systems

What's Included

• One Eibach ERS coil-over race spring

Fitment depends on the vehicle, coilover assembly, spring perch, and suspension configuration. Confirm compatibility with the manufacturer’s application requirements before installation.

Features:

• Maximum suspension travel: Designed to provide extended usable travel while maintaining a compact block height.
• Consistent spring rate: Highly linear performance supports predictable handling and repeatable suspension behavior.
• Lightweight construction: Helps reduce unsprung mass for more responsive suspension movement.
• Individually tested: Every Eibach ERS spring is tested for dependable quality and consistency.

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: false
Units Per Sku: 1