Eibach ERS 11.00 in. Length x 5.00 in. OD Conventional Rear Spring - EIB1100.500.0550

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 EIB1100.500.0550 Conventional Rear Spring is an individually engineered motorsport spring designed for race vehicles that require precise suspension tuning and consistent performance. As part of Eibach’s extensive catalog of precision-engineered race springs, this spring helps optimize handling dynamics across a wide range of racing applications.

Built for competition use, the Eibach ERS spring is engineered to minimize side loads while positioning the load center correctly relative to the spring axis. Its design provides maximum suspension travel with minimal block height, helping race teams fine-tune chassis balance and suspension response. Precision manufacturing tolerances support repeatable performance, while the lightweight construction helps reduce unsprung mass. Each spring is individually tested and rated to maintain dependable spring-rate consistency.

Product Specifications and Technical Data

• Brand: Eibach
• Product Line: ERS Motorsport Spring
• Part Number: EIB1100.500.0550
• Spring Type: Conventional rear spring
• Application: Automotive motorsport and racing suspension
• Outside Diameter: 5.00 inches
• Free Length: 11.00 inches
• Construction: Lightweight precision-engineered spring

What’s Included

• One Eibach ERS conventional rear spring

Vehicle-specific fitment data was not provided. Confirm spring length, outside diameter, spring rate, suspension configuration, and application requirements before installation. Professional setup and suspension tuning are recommended for competition use. This product is intended for automotive racing applications and is not identified as CARB approved.

Features:

• Lowest side loads with the load center ideally located relative to the spring axis for consistent suspension operation.
• Maximum suspension travel combined with minimal block height to support precise chassis tuning.
• Precision manufacturing tolerances provide repeatable spring dimensions and performance.
• Ultra-lightweight construction helps reduce unsprung mass and improve suspension 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: false
Units Per Sku: 1