Spring 4in Coil-Over 3.0in ID Silver

The Eibach Spring 4in Coil-Over 3.0in ID Silver is a precision-engineered suspension component designed for serious vehicle builders and performance enthusiasts who demand reliability and repeatability in their coil-over systems. Built by Eibach, a trusted name in suspension engineering for decades, this spring serves as the load-bearing heart of a coil-over assembly, providing consistent spring rates and stroke performance.

This spring features a 4-inch free length with a 3.0-inch inner diameter, optimized for integration with standard coil-over damper assemblies commonly found in modern suspension kits. The 3.0in ID specification ensures proper seating on shock bodies within standard bore ranges, while the silver finish provides corrosion resistance in harsh driving conditions and extended storage. Eibach's manufacturing tolerances ensure consistent spring rates across multiple units, critical for maintaining balanced suspension behavior across all four corners of your vehicle.

This coil-over spring benefits street and road-course drivers, suspension tuners, and restoration enthusiasts looking to enhance their vehicle's performance. Whether you're building a track-focused machine or upgrading a daily driver's handling, this spring delivers the stability and predictability necessary for controlled performance driving.