Eibach ERS 10.00-Inch Coilover Spring, 3.75-Inch Inside Diameter, 450 lb/in Rate - EIB1000.375.0450S

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 EIB1000.375.0450S is an individual motorsport coilover spring engineered for racing applications that require precise suspension tuning and dependable performance. Designed with a 3.75-inch inside diameter, this spring supports a broad range of coilover setups and helps racing teams optimize handling balance, ride control, and suspension response.

Part of Eibach’s extensive catalog of precision-engineered race springs, the ERS spring delivers maximum suspension travel while maintaining a compact block height. Its 450 lb/in spring rate provides a consistent, predictable response for performance-focused applications. Eibach manufactures each spring to strict standards and individually tests it to help ensure reliable linearity and rate consistency throughout demanding race conditions.

The Eibach EIB1000.375.0450S combines motorsport-grade construction with the durability expected from Eibach off-road and racing suspension components. It is supplied as an individual spring for custom suspension builds, replacement applications, and race vehicle setups requiring a specific rate and length. Verify coilover compatibility, spring length, inside diameter, and required spring rate before installation. Vehicle-specific fitment data was not provided.

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

Product Specifications and Technical Data:

• Brand: Eibach
• Series: ERS Motorsport Spring
• Part Number: EIB1000.375.0450S
• Spring Type: Coilover racing spring
• Free Length: 10.00 inches
• Inside Diameter: 3.75 inches
• Spring Rate: 450 lb/in
• Quantity: One individual spring

Features:

• 3.75-inch inside diameter supports a wide range of compatible racing coilover systems.
• 450 lb/in spring rate provides predictable suspension control and precise tuning capability.
• 10.00-inch free length offers dependable suspension travel for custom motorsport applications.
• Individually tested by Eibach for high linearity, consistent spring rate, and reliable performance.

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