Eibach ERS EIB0400.300.0450S 4.00-Inch Coilover Race Spring, 3.00-Inch Inside Diameter

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 EIB0400.300.0450S Individual Motorsport Spring is designed for race teams, fabricators, and performance enthusiasts who need precise suspension tuning. Part of Eibach’s extensive catalog of precision-engineered race springs, this coilover spring helps optimize handling dynamics across a wide range of motorsport applications.

Built around a 3.00-inch inside diameter, the spring is engineered to provide maximum suspension travel while maintaining a compact block height. Its consistent performance characteristics support accurate suspension setup and repeatable results at the track. The spring’s carefully controlled linearity helps deliver predictable response throughout its operating range, allowing drivers and suspension tuners to fine-tune vehicle behavior with confidence.

Every Eibach ERS spring is individually tested to help ensure dependable quality and consistency. The spring also benefits from Eibach’s established off-road and motorsport durability, making it suitable for demanding racing environments. This individual spring is intended for compatible coilover suspension systems and should be selected based on the vehicle’s suspension design, required spring rate, and overall setup goals. Verify application compatibility before installation.

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

Fitment: Universal motorsport component for compatible coilover suspension systems. Vehicle-specific fitment depends on the coilover hardware, spring perch, suspension configuration, and required spring rate.

Specifications: Brand: Eibach; Part Number: EIB0400.300.0450S; Product Type: Individual motorsport coilover spring; Inside Diameter: 3.00 inches; Spring Length: 4.00 inches; Application: Racing and performance suspension; Construction: Precision-engineered coil spring; Testing: Individually tested; Package Quantity: One spring.

Features:

• 3.00-inch inside diameter supports use with compatible Eibach ERS coilover systems and motorsport suspension hardware.
• 4.00-inch spring length provides a compact setup option for applications requiring reduced block height.
• Maximum suspension travel helps support effective shock movement and suspension tuning.
• High linearity and individually tested construction promote consistent, predictable performance.
• Eibach off-road and motorsport durability is engineered for demanding racing environments.
• Individual spring design allows suspension builders to select and combine spring rates for precise handling optimization.
• Precision-engineered construction supports repeatable setup characteristics between testing and competition.
• Designed for racing applications including coilover, shock, and performance suspension systems.

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