Eibach ERS 9.00-Inch x 2.25-Inch, 500 lb/in Motorsport Coilover Spring

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 Individual Motorsport Spring is engineered for race vehicles that demand precise suspension tuning and consistent performance. This coilover spring is designed for compatibility with 2.25-inch inside-diameter racing shock systems and delivers a 500 lb/in spring rate for controlled suspension response across demanding track conditions. Its race-focused construction helps drivers and suspension tuners optimize handling balance, grip, and vehicle dynamics.

Built from precision-engineered spring material, the Eibach ERS spring provides high linearity and dependable rate consistency throughout its operating range. The design maximizes usable suspension travel while maintaining a compact block height, supporting improved packaging and predictable shock performance. Its lightweight construction also helps reduce unsprung mass, while every spring is individually tested to help ensure reliable quality and repeatable results.

Key Product Specifications & Technical Data

• Brand: Eibach
• Part Number: EIB0900.225.0500
• Product Type: Individual motorsport coilover spring
• Spring Series: Eibach ERS
• Spring Rate: 500 lb/in
• Spring Length: 9.00 inches
• Inside Diameter: 2.25 inches
• Quantity: One spring

What's Included

• One Eibach ERS 500 lb/in coilover spring

Fitment

Fitment depends on the vehicle, racing shock, spring perch, and suspension setup. Verify spring length, inside diameter, available travel, and required spring rate before installation. This spring is intended for compatible motorsport coilover applications and is not identified for a specific street-vehicle fitment.

Features:

• 500 lb/in spring rate: Provides controlled suspension response for race-oriented handling and tuning.
• Motorsport coilover compatibility: Designed for racing shock systems using a 2.25-inch inside-diameter spring.
• Maximum usable travel: Supports greater suspension movement while maintaining a compact block height.
• Precision-tested construction: Delivers high linearity, consistent performance, and individually tested quality.

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