Eibach ERS 4.00 in. Coilover Spring, 3.00 in. Inside Diameter, 550 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 cars requiring precise suspension tuning and consistent performance. Part number EIB0400.300.0550S is a 4.00-inch-long coilover spring with a 3.00-inch inside diameter and a 550 lb/in spring rate, making it suitable for a wide range of competition suspension applications.

Built from Eibach’s extensive motorsport spring experience, this race spring is designed to provide maximum suspension travel while maintaining a minimal block height. Its high linearity helps deliver predictable spring behavior throughout the operating range, while individually testing each spring supports reliable rate consistency from one component to the next. The spring is also engineered to provide the durability required for demanding racing and off-road environments.

The Eibach ERS lineup offers a broad selection of spring rates and lengths, allowing racers and suspension technicians to fine-tune handling balance, traction, and chassis response. This individual spring is intended for use with compatible 3.00-inch inside-diameter coilover hardware. Verify suspension requirements and spring rate selection before installation. The package includes one Eibach ERS motorsport coilover spring. Fitment is application-specific and should be confirmed using the vehicle, damper, and suspension manufacturer’s requirements.

Features:

• 3.00-inch inside diameter for compatibility with matching coilover hardware
• 550 lb/in spring rate supports precise motorsport suspension tuning
• 4.00-inch spring length helps maximize suspension travel
• High linearity and individually tested consistency for predictable 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