Eibach ERS 11.00 in. Length x 5.00 in. OD Conventional Rear Spring - Part Number EIB1100.500.0400

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

• Lowest Side Loads with Load Center Ideally Located Relative to the Spring Axis
• Maximum Travel in Combination with Smallest Block Heights
• Precision Tolerances - The Tightest in the Industry
• Ultra Lightweight for Reduced Unsprung Mass
• Each Spring Individually Tested and Rated

The Eibach ERS Conventional Rear Spring is a precision-engineered motorsport spring designed for racing applications that require accurate suspension tuning and consistent performance. Built for professional-level customization, this individual spring helps optimize vehicle handling dynamics by allowing race teams and performance enthusiasts to fine-tune spring rates and suspension behavior for specific track conditions.

As part of Eibach’s extensive ERS race spring catalog, this conventional rear spring is engineered to minimize side loads while keeping the load center properly aligned with the spring axis. Its design provides maximum usable travel with compact block heights, helping support controlled suspension movement and efficient packaging. Precision manufacturing maintains tight tolerances, while the lightweight construction helps reduce unsprung mass and improve suspension response.

Every Eibach ERS spring is individually tested and rated to help ensure dependable performance and repeatable setup results. The spring is intended for motorsport and performance applications where predictable handling, accurate tuning, and durable construction are essential. This product is sold as an individual spring and should be selected based on the vehicle’s suspension design, required spring rate, and application-specific setup requirements.

Product Specifications & Technical Data

• Brand: Eibach
• Product Line: ERS Motorsport Spring
• Part Number: EIB1100.500.0400
• Application: Conventional rear race spring
• Spring Length: 11.00 inches
• Outside Diameter: 5.00 inches
• Construction: Lightweight precision-engineered spring
• Testing: Individually tested and rated

What’s Included

• One Eibach ERS conventional rear spring

Fitment

Vehicle-specific fitment data was not provided. Confirm spring rate, suspension compatibility, and application requirements before installation.

Features:

• Precision Motorsport Design: Engineered for race applications requiring accurate suspension tuning and repeatable handling performance.
• Low Side Loads: Keeps the load center ideally positioned relative to the spring axis for smoother and more consistent operation.
• Maximum Usable Travel: Provides substantial suspension travel while maintaining compact block heights for efficient packaging.
• Individually Tested and Rated: Each spring is tested and rated by Eibach to support reliable setup selection and consistent performance.

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