Eibach ERS 300mm Racing Coilover Spring, 70mm 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

• Maximum Travel in Combination with Smallest Block Heights
• Eibach Coilover Spring with 70mm Inside Diameter
• Highest Linearity and Guaranteed Consistency
• Ultra-Lightweight for Reduced Unsprung Mass
• Each Spring Individually Tested

The Eibach ERS 300-70-0040 Individual Motorsport Spring is engineered for race cars that require precise suspension tuning and dependable performance. As part of Eibach’s extensive catalog of more than 1,500 precision-engineered racing springs, this coilover spring helps optimize handling dynamics across a wide range of motorsport applications.

Designed with a 70mm inside diameter, the Eibach ERS spring is built to provide maximum suspension travel while maintaining minimal block height. Its linear spring characteristics deliver predictable response and consistent performance, allowing racers and suspension tuners to fine-tune vehicle behavior for specific tracks, conditions, and driving demands. The lightweight design also helps reduce unsprung mass, supporting more responsive suspension movement.

Every Eibach ERS 300-70-0040 spring is individually tested to ensure reliable quality and performance consistency. It is suitable for compatible racing coilover systems and applications requiring an individual motorsport spring. Verify spring rate, fitment, and suspension requirements before installation.

Key Product Specifications and Technical Data

• Brand: Eibach
• Part Number: ERS 300-70-0040
• Product Type: Individual motorsport coilover spring
• Spring Length: 11.81 inches
• Inside Diameter: 2.76 inches
• Application: Racing and performance suspension systems
• Construction Benefit: Lightweight design for reduced unsprung mass
• Quality Control: Each spring individually tested

What’s Included

• One Eibach ERS individual motorsport coilover spring

Fitment data should be verified against the vehicle, coilover assembly, spring rate requirements, and available suspension travel before installation. Professional setup is recommended for competition applications.

Features:

• Maximum Travel: Provides extended suspension travel while maintaining a compact block height for race-focused suspension setups.
• 70mm Inside Diameter: Designed for compatible Eibach and other racing coilover applications using a 70mm spring interface.
• Linear Performance: Delivers predictable spring response and consistent handling characteristics during demanding track use.
• Lightweight Construction: Helps reduce unsprung mass for improved suspension responsiveness and vehicle control.
• Individual Testing: Each spring is tested by Eibach to support reliable quality and performance consistency.

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