Eibach ERS 18.00-Inch Coilover Spring, 3.75-Inch Inside Diameter, Part EIB1800.375.0350S

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 18.00-Inch Coilover Spring is an individually tested motorsport spring engineered for precise suspension tuning and dependable race performance. Designed with a 3.75-inch inside diameter, this coilover spring is part of Eibach’s extensive range of precision-engineered race springs, offering the customization needed to optimize handling dynamics across a wide variety of racing applications.

Built for demanding motorsport use, the Eibach ERS spring delivers consistent performance, excellent linearity, and reliable durability. Its design maximizes suspension travel while maintaining a compact block height, helping race teams fine-tune vehicle response, balance, and control. The spring is suitable for use with coilover suspension systems and can be paired with compatible shocks and other suspension components for a tailored setup.

• Brand: Eibach
• Part Number: EIB1800.375.0350S
• Product Type: Individual Motorsport Coilover Spring
• Spring Length: 18.00 inches
• Inside Diameter: 3.75 inches
• Spring Rate: 350 pounds per inch
• Spring Series: ERS
• Application: Racing and motorsport coilover suspension systems

What's Included: One Eibach ERS individual motorsport coilover spring. Verify spring rate, length, inside diameter, and suspension compatibility before installation. Vehicle-specific fitment data was not provided; professional setup and installation are recommended for racing applications.

Features:

• 3.75-inch inside diameter: Designed for compatible coilover suspension systems and motorsport applications.
• 350-pound-per-inch spring rate: Provides a defined suspension tuning characteristic for optimizing vehicle handling.
• Maximum suspension travel: Engineered to provide extended travel while maintaining a compact block height.
• Individually tested: Each spring is checked by Eibach to support consistent performance and reliable race setup results.

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