Spring 12in Coil-Over 2.53in ID

The Spring 12in Coil-Over 2.53in ID from EIBACH is a precision suspension component designed for custom vehicle builds, lowering kits, and performance tuning applications where load support and ride height adjustment are critical. This coil-over spring serves as the foundation of modern suspension systems, pairing with dampers to control both compression and rebound characteristics. Whether you're building a track-focused platform or refining a street-performance setup, this spring delivers the engineering foundation required for predictable handling and proper load distribution across all driving conditions.

At 12 inches in length with a 2.53-inch inner diameter, this coil-over spring is engineered to nest seamlessly within standard suspension assemblies while maintaining tight tolerances that ensure consistent spring rates and minimal lateral flex. The 2.53in ID bore accommodates standard damper shaft diameters common in both street and competition suspension platforms. EIBACH's manufacturing precision ensures that spring rates remain uniform across the entire coil stack, preventing bind-up, noise, and uneven load transfer that can compromise vehicle control and comfort during both normal and aggressive driving.

This coil-over spring is ideal for suspension technicians, tuners, and vehicle builders integrating complete coil-over kits or replacing worn springs in existing setups. The 12-inch length works across a wide range of suspension geometries, from independent front suspensions to multi-link rear platforms common in both import and domestic vehicles. Installation requires proper damper selection to match the spring's characteristics; pairing with the correct valving ensures optimal performance and longevity. Proper installation tools and suspension knowledge are recommended to achieve correct ride height and spring preload.