Eibach Coil-Over Spring 3.75 in. ID (1600.375.0400S)

The Eibach ERS Coil-Over Spring enhances suspension performance with a 400 lbs/in rate. Measuring 16.00 inches long with a 3.75-inch inner diameter, this single high-tensile steel spring is designed for universal coilover systems. Ideal for race or street setups, it provides consistent response under load. Professional installation and tuning are required. Powder-coated for durability, it includes a limited lifetime manufacturer warranty.