Eibach ERS 300-70-0050 Coilover Race Spring, 300 lb/in, 70 mm ID

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 300-70-0050 Individual Motorsport Spring is a precision-engineered coilover race spring designed for competitive motorsport and performance-focused suspension applications. Built for 70 mm inside diameter coilover systems, this spring provides dependable suspension tuning and consistent handling characteristics across demanding track conditions.

As part of Eibach’s extensive ERS race spring catalog, the 300-70-0050 is engineered to maximize usable suspension travel while maintaining minimal block height. Its high linearity helps deliver predictable spring behavior, allowing racers and chassis tuners to fine-tune handling balance with confidence. The spring rate is 300 lb/in, making it a practical choice for a wide range of race car suspension setups when matched to the vehicle, damper, and intended use.

The Eibach ERS spring is manufactured for consistency and reduced unsprung mass. Each spring is individually tested to support reliable performance from one spring to the next, while its lightweight construction helps minimize suspension weight. This individual motorsport spring is intended for use with compatible 70 mm ID coilover hardware. Confirm spring length, rate, vehicle requirements, and coilover compatibility before installation.

• What's Included: One Eibach ERS coilover race spring
• Fitment: Universal motorsport application for compatible 70 mm inside diameter coilover systems; vehicle-specific fitment should be verified before purchase
• Compliance: Intended for racing and off-road competition use; not intended as a direct street-vehicle replacement unless approved for the application

Features:

• Maximum Travel: Designed to provide maximum suspension travel while maintaining a compact block height.
• 70 mm Inside Diameter: Fits compatible Eibach ERS and other 70 mm ID coilover spring applications.
• 300 lb/in Spring Rate: Provides a clearly defined rate for precise suspension tuning and predictable handling response.
• Consistent Motorsport Performance: High linearity, lightweight construction, and individual testing support reliable race setup repeatability.

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
Clearance Item: t
Regular Stock: false
Units Per Sku: 1