Eibach ERS Coil-Over Spring 12.00in 300 lbs/in (Single) | 1200.375.0300S

The Eibach ERS Coil-Over Spring optimizes suspension performance with a 300 lbs/in rate. Measuring 12.00 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 ensures consistent response under load. Professional installation and tuning are required. Powder-coated for durability, it includes a limited lifetime manufacturer warranty.