Eibach ERS 10-Inch Coilover Race Spring, 3-Inch Inside Diameter, 300 lb/in Rate – EIB1000.300.0300S

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 EIB1000.300.0300S is an individual motorsport coilover spring engineered for race cars that require precise suspension tuning and consistent handling performance. With a 300 lb/in spring rate and a 3-inch inside diameter, this spring supports fine adjustment of suspension response across a wide range of racing applications.

Built from Eibach’s extensive line of precision-engineered race springs, the ERS spring is designed to maximize suspension travel while maintaining a compact block height. Its high linearity and guaranteed consistency help deliver predictable behavior under braking, cornering, and acceleration. Each spring is individually tested to support reliable performance and repeatable setup changes at the track.

• Product Type: Individual motorsport coilover spring
• Spring Rate: 300 lb/in
• Inside Diameter: 3 inches
• Spring Length: 10 inches
• Application: Racing and performance suspension systems
• Performance Design: Maximizes travel while minimizing block height
• Quality Control: Individually tested for consistency
• Construction Benefit: Eibach off-road durability and dependable race performance

What’s Included: One Eibach ERS coilover race spring. This is an individual spring intended for compatible motorsport coilover systems; verify spring diameter, length, rate, and suspension requirements before installation. Vehicle-specific fitment data was not provided, so application compatibility should be confirmed with the vehicle manufacturer, suspension builder, or race engineer.

Features:

• 3-inch inside diameter supports compatibility with many race-oriented coilover systems.
• 300 lb/in spring rate enables precise suspension tuning for track and motorsport applications.
• 10-inch spring length provides a practical setup option for adjustable racing suspensions.
• Precision-engineered and individually tested for high linearity, consistency, and repeatable 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: t
Units Per Sku: 1