Eibach ERS 11.00 in. Length x 5.00 in. OD Conventional Rear Spring – Part EIB1100.500.0275

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 an individually tested motorsport spring engineered for race cars that require precise suspension tuning and dependable performance. Designed for broad racing applications, this Eibach race spring helps optimize handling dynamics when used with compatible shocks, pull-bars, and other suspension components. Its conventional design supports consistent operation while giving teams and builders the flexibility to fine-tune vehicle behavior for specific track conditions and setups.

Eibach engineers each spring with a focus on minimizing side loads and positioning the load center accurately relative to the spring axis. This design helps promote smooth suspension movement and predictable response under demanding racing conditions. The spring also provides maximum available travel with minimal block height, supporting effective suspension control without unnecessary interference. Precision manufacturing keeps tolerances exceptionally tight, while the lightweight construction helps reduce unsprung mass for more responsive suspension performance.

Every Eibach ERS spring is individually tested and rated to support consistent quality and reliable setup repeatability. This rear spring is identified by Eibach part number EIB1100.500.0275 and is intended for motorsport applications where spring rate selection and component compatibility are critical. Confirm the required spring specifications, rate, mounting configuration, and vehicle fitment before installation. This product is not presented as CARB-approved and may carry a California Proposition 65 warning.

Key Product Specifications & Technical Data

• Brand: Eibach
• Part Number: EIB1100.500.0275
• Product Type: Individual motorsport race spring
• Application: Conventional rear suspension 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. Vehicle-specific fitment data was not provided; verify compatibility with the intended race vehicle, suspension system, spring seats, and required spring rate before use.

Features:

• Low Side Loads: Helps maintain smooth, predictable spring movement with the load center ideally positioned relative to the spring axis.
• Maximum Suspension Travel: Provides substantial usable travel while maintaining a compact block height.
• Precision Tolerances: Manufactured to tight tolerances for consistent setup and repeatable racing performance.
• Lightweight Construction: Helps reduce unsprung mass and support responsive suspension behavior.

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