Eibach ERS 9.00 in. Coilover Spring, 2.25 in. 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 Coilover Springs Available in a Full Range of Rates and Sizes
• Maximum Travel in Combination with Smallest Block Heights
• Highest Linearity and Guaranteed Consistency
• Ultra-Lightweight for Reduced Unsprung Mass
• Each Spring Individually Tested

The Eibach ERS Individual Motorsport Spring is engineered for racing applications that demand precise suspension tuning and consistent performance. This coilover spring features a 9.00-inch free length, a 2.25-inch inside diameter, and a 350 lb/in spring rate, making it suitable for a wide range of competition vehicles and custom motorsport suspension setups.

Manufactured as part of Eibach’s extensive catalog of precision-engineered race springs, this spring is designed to provide maximum suspension travel while maintaining a compact block height. Its high linearity and guaranteed consistency help deliver predictable handling characteristics, allowing racers and suspension builders to fine-tune vehicle balance, response, and grip. The lightweight construction also helps reduce unsprung mass for improved suspension control.

Each Eibach ERS spring is individually tested to support dependable quality and repeatable performance. The spring is intended for compatible coilover applications and should be selected according to the vehicle’s suspension design, installed height, load requirements, and desired handling characteristics. This is an automotive motorsport component and may require additional race-specific hardware or setup adjustments for proper installation.

Product Specifications & Technical Data

• Brand: Eibach
• Part Number: EIB0900.225.0350
• Product Type: Individual motorsport coilover spring
• Free Length: 9.00 inches
• Inside Diameter: 2.25 inches
• Spring Rate: 350 lb/in
• Application: Racing and performance coilover suspension systems
• Construction Benefit: Lightweight design with tested linearity and consistency

What's Included

• One Eibach ERS individual motorsport coilover spring

Fitment

Universal motorsport fitment for compatible 2.25-inch inside-diameter coilover systems. Verify spring dimensions, rate, installed height, vehicle load, and suspension compatibility before installation.

Features:

• Eibach ERS coilover spring designed for racing and motorsport suspension applications
• 350 lb/in spring rate supports precise suspension tuning and predictable handling response
• Maximum suspension travel combined with a compact block height for optimized coilover performance
• Individually tested lightweight spring provides consistent, linear performance and helps reduce unsprung mass

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