Eibach Performance Spring System, Stage 3 Offroad Extrem, 999,80 Eibach Single Spring Coupler ID 3.75" Eibach 3.75" ID Springs AccuTune Off Road Eibach Pro Kit Heinrich Eibach GmbH Eibach ERS 5.00 in. Length x 2.25 in. ID Coil Over Spring 0500.225. R10041 EIBACH Single Spring ERL (OE Replacement) Coil spring Front Axle. Eibach Single Spring Coupler Upgrade your suspension system for optimal performance with a 3. 75" inside diameter Part #: SPACER375 Overview The Eibach Single Spring Coupler is an essential component for enthusiasts looking to fine tune their suspension setup. Designed specifically for 3. 75 inch inside diameter springs, this coupler allows you to securely connect your main coilover springs with helper or tender springs, ensuring a reliable and stable connection. Whether you're upgrading your vehicle for improved handling, ride quality, or custom spring configurations, this coupler provides a precise and durable solution. Ideal for performance oriented drivers and suspension enthusiasts, the Eibach Spring Coupler helps you achieve the perfect spring setup. Its lightweight construction and anodized aluminum finish not only enhance durability but also add a sleek look to your suspension components. With this coupler, you can confidently assemble or modify your coilover system, knowing that each connection is secure and designed for long lasting performance. Key Features The Eibach Single Spring Coupler offers several key features that make it a must have for suspension tuning: Constructed from lightweight, durable anodized aluminum for strength and corrosion resistance. Precisely CNC machined to ensure a perfect fit and consistent quality across every unit. Designed to connect main coilover springs with helper or tender springs, providing a secure and reliable coupling. Inner diameter of 3. 75 inches, compatible with most standard coilover springs of similar size. Lightweight design minimizes added stress on suspension components while maintaining high strength. Easy to install with a snug fit, ensuring proper alignment and stability during suspension movement. Available as a single unit, allowing flexibility in custom spring configurations and setups. Enhances suspension tuning capabilities, supporting improved handling and ride quality. Ideal for street, spirited driving, and track applications where precise spring connections are critical. Construction & Design The Eibach Spring Coupler is meticulously CNC machined from high quality anodized aluminum, ensuring a precise and durable component that withstands the rigors of performance driving. Its lightweight design reduces unnecessary stress on your suspension system, while the anodized finish provides excellent corrosion resistance and a sleek appearance. The coupling spacer is engineered to fit snugly within the specified 3. 75 inch inner diameter springs, offering a secure connection that maintains integrity under dynamic loads. Its robust construction ensures longevity and consistent performance, making it a reliable choice for suspension upgrades and custom setups. Installation & Fitment Installing the Eibach Single Spring Coupler is straightforward and requires no special tools beyond basic hand tools. Simply slide the coupler onto your main coilover spring and connect it to your helper or tender spring. The precise CNC machining guarantees a perfect fit, ensuring that your springs are securely coupled without slipping or movement during operation. No cutting, drilling, or tuning is necessary, making this an easy upgrade for both DIY enthusiasts and professional installers. Proper installation ensures optimal suspension performance and longevity. Designed for springs with an inside diameter of 3. 75 inches. Compatible with most coilover systems that utilize 3. 75" springs. No additional modifications or adjustments are required for installation. What's Included Single CNC machined anodized aluminum spring coupler with a 3. 75" inside diameter Ideal For Suspension enthusiasts seeking to connect main and helper springs securely Performance drivers aiming to customize their coilover setup Track day and spirited driving applications requiring reliable spring coupling Street vehicles where improved suspension stability is desired