Eibach 0500.225.0800 ERS Race Main Coilover Spring

The Eibach ERS (Eibach Race Spring) Race Main Spring is a precision-engineered coilover spring designed to deliver optimal suspension performance for racing and high-performance applications. A properly tuned spring system transforms engine power into track adhesion through consistent road contact, while the spring must be firm enough to minimize body roll, squat, and dive during cornering, acceleration, and braking.

This Race Main spring is part of Eibach's renowned ERS double-spring system, which combines main and tender springs to create a dual-rate suspension setup. The Main spring features a linear-rate characteristic and determines the final spring rate of the system. When paired with a Tender spring, the system provides a softer initial rate as both springs compress together, then transitions to a firmer ending rate once the tender spring reaches full compression. With over 700 different spring components available, the ERS system offers nearly unlimited tuning combinations for suspension engineers and enthusiasts.

Key Features:

• Linear-rate main spring for predictable suspension characteristics
• Compatible with ERS double-spring system using connecting plates
• High spring travel and deflection capability at compact mounting lengths
• Shot-peened surface treatment for enhanced fatigue resistance
• Superior dynamic durability for extended component longevity
• Manufactured to precise tolerances for consistent performance
• Advanced corrosion protection through phosphating and epoxy coating
• Clearly imprinted with part number indicating spring rate and physical dimensions
• Individual protective packaging for damage-free delivery

Eibach ERS springs are the choice of professional race teams and serious enthusiasts who demand the highest levels of performance, quality, and tunability from their suspension systems.