Eibach ERS 8.00-Inch Coilover Spring, 3.75-Inch Inside Diameter, 400 lb/in Rate

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 3.75" 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 dependable performance. This coilover spring features an 8.00-inch free length, a 3.75-inch inside diameter, and a 400 lb/in spring rate, making it suitable for a wide range of competition and high-performance applications. Its carefully controlled design helps provide consistent suspension behavior and predictable handling response.

Designed for maximum suspension travel with minimal block height, the Eibach ERS spring supports effective chassis setup and fine adjustment. Eibach manufactures each spring to deliver high linearity and repeatable performance, while individual testing helps ensure consistency from one spring to the next. The spring is built with Eibach’s established off-road durability and motorsport engineering standards for demanding use.

With more than 1,500 precision-engineered race spring configurations available across the ERS range, Eibach gives drivers and suspension technicians the flexibility to optimize handling dynamics for specific tracks, vehicle setups, and driving conditions. The Eibach ERS 0800.375.0400S is sold as one individual spring and is intended for compatible 3.75-inch inside-diameter coilover systems. Verify suspension compatibility, required spring rate, and application fitment before installation.

Product Specifications & Technical Data

• Brand: Eibach
• Part Number: EIB0800.375.0400S
• Product Type: Individual motorsport coilover spring
• Spring Length: 8.00 inches
• Inside Diameter: 3.75 inches
• Spring Rate: 400 lb/in
• Quantity: One spring
• Application: Racing and high-performance coilover suspension systems

What’s Included

One Eibach ERS individual coilover spring. No additional hardware, adjusters, or installation accessories are included unless specified by the vehicle or suspension manufacturer.

Features:

• 3.75-Inch Inside Diameter: Designed for compatible coilover suspension systems requiring a 3.75-inch spring diameter.
• 8.00-Inch Free Length: Provides a practical spring length for race suspension setups and tuning applications.
• 400 lb/in Spring Rate: Supports precise control over suspension balance, ride response, and handling characteristics.
• Consistent Motorsport Performance: Individually tested for high linearity, repeatable rates, maximum travel, and dependable Eibach durability.

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