Eibach ERS Linear Main Single Coil Spring

2011–2025 Subaru Forester / Subaru Impreza / Subaru WRX / Subaru STI 2.0L Turbo

Part #: 0800.188.0075

Overview

The Eibach ERS Linear Main Single Coil Spring is a high-performance suspension component engineered for enthusiasts seeking precise handling and improved ride quality. Designed specifically for racing applications and spirited driving, these springs deliver consistent, predictable performance under demanding conditions. Whether you're upgrading your vehicle for track days, autocross, or aggressive street driving, this coil spring helps support your vehicle's suspension system by providing reliable spring rates and optimal travel.

Built with the utmost precision, the Eibach ERS springs are trusted by racers worldwide for their durability and consistency. They are ideal for drivers who want to enhance their vehicle's responsiveness, reduce unsprung mass, and achieve a more controlled ride. These springs are engineered to work seamlessly with your existing suspension components, ensuring a straightforward installation process and immediate performance benefits.

Key Features

The Eibach ERS Linear Main Single Coil Spring offers a range of advanced features designed to maximize performance and reliability:

• Manufactured with high-quality steel and precision tolerances to ensure consistent spring rates and linearity throughout the travel.
• Designed specifically for Legend and Midget racers, providing maximum travel in combination with small block heights for optimal clearance and performance.
• Ultra-lightweight construction reduces unsprung mass, which improves handling, acceleration, and braking response.
• Individually tested to guarantee each spring meets strict quality standards for durability and performance consistency.
• Standard features include a 75 lbs/in rate and a 2.09-inch block height, offering a balanced combination of stiffness and compliance suitable for competitive racing setups.
• Built to withstand the rigors of racing environments, ensuring long-lasting performance under high loads and frequent use.
• Designed with precise tolerances to maintain consistent ride height and handling characteristics over time.
• Trusted by racers worldwide for its legendary consistency, making it a reliable choice for serious motorsport applications.

Construction & Design

The Eibach ERS springs are crafted from high-grade steel, ensuring exceptional strength and durability. The springs feature a linear rate design, meaning the force required to compress the spring remains constant throughout its travel, providing predictable handling and improved driver confidence. The springs are manufactured with tight tolerances to ensure each unit performs identically, reducing variability and enhancing overall suspension performance.

The lightweight construction minimizes unsprung mass, which directly contributes to better suspension response and improved vehicle dynamics. The small block height of 2.09 inches allows for maximum travel and clearance, making these springs suitable for tight racing setups where space is limited. The springs are individually tested to meet strict quality standards, guaranteeing consistent performance and longevity even under demanding racing conditions.

Installation & Fitment

The Eibach ERS Linear Main Single Coil Spring is a bolt-on upgrade that requires no cutting or modifications to your vehicle's suspension system. Installation is straightforward for those familiar with suspension work, and it is recommended to have a professional perform the installation to ensure proper handling and safety. These springs are designed to fit specific racing setups and should be used in conjunction with compatible shocks and suspension components for optimal performance.

• Designed specifically for Legend & Midget racers, but also suitable for other racing applications requiring precise spring rates and travel.
• No cutting, drilling, or tuning is required for installation.

What's Included

• One Eibach ERS Linear Main Single Coil Spring with a 75 lbs/in rate and 2.09-inch block height
• Installation instructions and mounting hardware (if applicable)

Ideal For

• Racing enthusiasts and professional racers seeking consistent, high-quality springs for Legend & Midget classes
• Drivers looking to reduce unsprung mass and improve suspension response
• Performance-oriented street drivers who demand precise handling and durability