Eibach ERS 4.00-Inch Coilover Spring, 3.00-Inch Inside Diameter – EIB0400.300.0400S

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 3.00" Inside Diameter Coilover Springs Available in a Full Range of Rates and Lengths
• Maximum Travel in Combination with Smallest Block Heights
• Legendary Eibach Off-Road Durability and Performance
• Highest Linearity and Guaranteed Consistency
• Each Spring Individually Tested

The Eibach ERS individual motorsport spring is engineered for race vehicles that require precise suspension tuning and consistent performance. Designed with a 3.00-inch inside diameter and a 4.00-inch free length, this coilover spring supports customized spring-rate selection across a wide range of racing applications. Its compact design helps maximize usable suspension travel while maintaining a small block height.

Built with Eibach’s motorsport engineering expertise, the spring delivers dependable durability for demanding on-track and off-road environments. Each spring is individually tested to support exceptional consistency and linear performance, helping drivers and suspension tuners achieve predictable handling characteristics. The Eibach ERS spring is suitable for applications where accurate suspension balance, repeatable response, and race-focused adjustability are essential.

Brief Description: A precision-engineered Eibach ERS coilover spring for motorsport suspension systems, offering consistent linear performance, efficient travel utilization, and durable construction.

Key Product Specifications & Technical Data:

• Brand: Eibach
• Part Number: EIB0400.300.0400S
• Product Type: Individual motorsport coilover spring
• Series: Eibach ERS
• Inside Diameter: 3.00 inches
• Free Length: 4.00 inches
• Application: Racing and performance suspension systems
• Testing: Individually tested for consistency

What’s Included: One Eibach ERS individual motorsport coilover spring.

Fitment: Vehicle-specific fitment data was not provided. Verify spring dimensions, rate requirements, available travel, and suspension compatibility before installation.

Features:

• 3.00-inch inside diameter: Designed for compatible Eibach ERS and motorsport coilover suspension systems.
• 4.00-inch spring length: Supports compact race-suspension packaging and application-specific tuning.
• Maximum usable travel: Engineered to provide efficient suspension travel with a small block height.
• Off-road durability: Built for demanding racing and performance driving conditions.
• Linear performance: Delivers predictable spring response for precise handling adjustments.
• Individually tested: Each spring is checked to support dependable consistency from unit to unit.

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