SWIFT SPRINGS Z60-203-140 Swift Springs Z60-203-140 Coil-Over Spring, 14 kgf/mm Rate, Blue Steel

The Swift Springs Z60-203-140 is a performance-focused coil-over spring designed for suspension systems that require consistent spring behavior, dependable construction, and precise rate control. Built from high-quality steel and finished with a durable blue powder coat, this spring provides a clean, professional appearance while helping protect the surface from routine handling and environmental exposure. It is supplied individually for convenient replacement or suspension setup needs.

With a rated spring rate of 14 kgf/mm, equivalent to approximately 784 lb/in, the Z60-203-140 is suited to applications requiring firm, predictable support from a coil-over suspension. Its carefully engineered design helps deliver repeatable compression characteristics during suspension tuning, making it a practical choice for performance street vehicles, track-oriented builds, and other compatible coil-over configurations. The spring is intended for use with properly matched suspension hardware and should be installed according to the vehicle or coil-over manufacturer’s recommendations.

The Swift Springs Z60-203-140 combines application-specific sizing with the durability expected from a dedicated motorsport and performance suspension component. Its steel construction is designed to withstand the demanding conditions associated with repeated suspension movement, while the blue powder-coat finish supports long-term serviceability and easy identification. Whether used as a replacement spring or selected as part of a custom suspension setup, this Swift Springs component offers a reliable option for users seeking a defined spring rate and consistent performance. Confirm compatibility with the intended coil-over assembly before installation.

Features:

• Brand: Swift Springs

• Part number: Z60-203-140

• Application: Coil-over suspension systems

• Spring rate: 14 kgf/mm, equivalent to approximately 784 lb/in

• Construction: Durable steel

• Finish: Blue powder coat

• Quantity: One spring