USRT Usually Sideways Rally Team Hardcore VW Audi Performance Eibach ERS 3.75" I.D. 18inch Length 750lbs inch Eibach ERS 7 x 2.5 x 450lb spring Eibach ERS 18.00 in. Length x 3.00 in. ID Coil Over Spring eBay Eibach Universal ERS 8.00 in Length x 3.00 in ID Coil Over Spring 0800. Eibach NEW ERS Main Spring (Coilover) 5" Length 2.25" ID 1600lb 0500.. Eibach ERS 3. 75" I. D. 18inch Length 750lbs inch Length: 18 inch (457 mm) Inside Diameter: 3. 75 inch (9595. 25 mm) Rate: 750 lbs inch (13. 39 kg mm, 131 N mm) Block Height: 9. 01 inch (229 mm) Travel: 8. 99 inch (228 mm) Load at Block Height: 6741 lbs (29985 N) Weight: 23. 08 lbs (10. 47 kg) Part #: 1800. 375. 0750S Overview The Eibach ERS (External Reservoir Shock) is a high performance suspension component designed to deliver exceptional handling and ride quality for enthusiasts seeking superior control and stability. With a 3. 75 inch inside diameter and an 18 inch length, this shock absorber is engineered to support aggressive driving, off road adventures, or any application demanding precise damping and durability. Whether you're upgrading your vehicle for spirited street driving or off road excursions, the ERS series provides the reliability and performance you need. Built with advanced materials and engineering, the Eibach ERS shock features a robust 750 lbs inch spring rate, offering a balanced combination of support and comfort. Its external reservoir design helps dissipate heat more effectively, maintaining consistent damping performance even during extended or demanding use. This shock absorber is ideal for drivers who want to improve their vehicle's handling characteristics, reduce body roll, and enhance overall stability under load. Key Features The Eibach ERS 3. 75" I. D. shock offers several key features that set it apart from standard suspension components: High strength steel construction with a durable finish ensures long lasting performance in harsh conditions. External reservoir design allows for increased oil capacity, reducing fade during extended use and improving heat dissipation. Adjustable damping settings (if applicable) provide tailored ride characteristics for street, off road, or performance driving. Precision machined components and TIG welding ensure a perfect fit and reliable operation. Optimized spring rate of 750 lbs inch supports aggressive driving styles and heavy loads without sacrificing ride comfort. Heavy duty mounting hardware and bushings facilitate straightforward installation and secure fitment. Designed to support vehicle modifications that require upgraded suspension for improved handling and stability. Construction & Design The Eibach ERS shock features a high quality steel body with a corrosion resistant finish, ensuring durability and longevity. Its 3. 75 inch inside diameter provides ample oil capacity for efficient heat management, while the 18 inch length offers versatile fitment options for various vehicle setups. The external reservoir is connected via high pressure hoses, allowing for increased oil volume and better heat dissipation during intense driving conditions. The shock's piston and valving are engineered for smooth, responsive damping, providing a controlled ride that enhances both comfort and performance. Installation & Fitment The Eibach ERS 3. 75" I. D. shock is a bolt on upgrade that requires no cutting or welding. Its design aligns with standard mounting points, making installation straightforward for experienced DIY enthusiasts or professional mechanics. Proper tools and basic suspension knowledge are recommended to ensure correct setup. No tuning or additional modifications are necessary to enjoy the full benefits of this high performance shock absorber. Securely mounts to existing suspension points with included hardware. Compatible with a variety of vehicle makes and models requiring a 3. 75 inch inside diameter shock with an 18 inch length. What's Included One Eibach ERS 3. 75" I. D. shock absorber High pressure hoses for external reservoir connection Mounting hardware and bushings Installation instructions Ideal For Performance enthusiasts seeking improved handling and stability Off road drivers requiring durable, heat resistant suspension components Vehicle owners looking to upgrade their suspension for spirited driving or heavy loads