Eibach ERS EIB1800.300.0400S 18.00-Inch Coilover Race Spring, 3.00-Inch ID

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 EIB1800.300.0400S is an individually tested motorsport coilover spring engineered for race vehicle suspension tuning. Designed with an 18.00-inch free length, a 3.00-inch inside diameter, and a 400 lb/in spring rate, this Eibach race spring supports precise handling adjustments across a wide range of competition applications.

Part of Eibach’s extensive catalog of precision-engineered racing springs, the ERS series is developed to deliver consistent performance, excellent linearity, and reliable durability. Its design maximizes suspension travel while maintaining a compact block height, helping race teams fine-tune chassis balance, cornering behavior, and overall suspension response. The spring is well suited for motorsport coilover systems that require repeatable results and dependable performance under demanding conditions.

Brief Description: Eibach ERS individual motorsport spring for 3.00-inch inside diameter coilover applications, featuring an 18.00-inch length and 400 lb/in rate.

Key Product Specifications & Technical Data:

• Brand: Eibach
• Part Number: EIB1800.300.0400S
• Product Series: ERS
• Spring Type: Motorsport coilover spring
• Inside Diameter: 3.00 inches
• Free Length: 18.00 inches
• Spring Rate: 400 lb/in
• Application: Racing and performance suspension tuning

What’s Included: One Eibach ERS individual motorsport coilover spring. Vehicle-specific fitment is dependent on the coilover system, spring perch, and suspension setup; verify application requirements before installation.

Features:

• 3.00-Inch Inside Diameter: Designed for compatible coilover suspension systems and available in a broad range of Eibach race spring rates and lengths.
• 400 lb/in Spring Rate: Provides a precise spring-rate option for optimizing race vehicle handling and suspension balance.
• Maximum Suspension Travel: Engineered to support substantial travel while maintaining a compact block height.
• Consistent Motorsport Performance: Individually tested by Eibach for high linearity, repeatable results, and dependable off-road and racing 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