Eibach ERS 4.00-Inch Coilover Spring, 3.00-Inch Inside Diameter, 350 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 3.00" 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 Individual Motorsport Spring is engineered for race vehicles requiring precise suspension tuning and dependable performance. This coilover spring features a 3.00-inch inside diameter, a 4.00-inch free length, and a 350 lb/in spring rate for tailored handling characteristics across a wide range of motorsport applications. Eibach part number EIB0400.300.0350S is designed for use with compatible coilover suspension systems and race-focused setups.

Built from Eibach’s extensive experience producing precision-engineered racing springs, this ERS spring delivers excellent travel potential while maintaining a compact block height. Its carefully controlled spring characteristics support predictable suspension response, helping drivers and suspension tuners optimize grip, balance, and handling behavior. Each spring is individually tested to help ensure consistent performance from one component to the next.

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

Fitment: Universal motorsport application for compatible coilover systems using a 3.00-inch inside diameter spring. Verify spring rate, free length, coilover compatibility, and suspension requirements before installation.

Product Specifications & Technical Data:

• Brand: Eibach
• Part Number: EIB0400.300.0350S
• Product Type: Individual motorsport coilover spring
• Inside Diameter: 3.00 inches
• Free Length: 4.00 inches
• Spring Rate: 350 lb/in
• Application: Racing and performance coilover suspension systems
• Construction: Precision-engineered spring with individually tested consistency

Features:

• 3.00-inch inside diameter supports compatibility with a broad range of racing coilover systems.
• 350 lb/in spring rate enables precise suspension tuning for race and performance applications.
• 4.00-inch free length helps provide a compact setup for applications requiring controlled suspension packaging.
• Eibach motorsport engineering delivers dependable durability, linear response, and consistent 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