SWIFT SPRINGS Z65-203-090 Swift Springs Z65-203-090 Metric Coil-Over Spring, 9 kgf/mm Rate

The Swift Springs Z65-203-090 is a metric coil-over spring designed for performance suspension applications that require consistent support, predictable response, and dependable durability. Its 9 kgf/mm spring rate provides a firm, controlled setup for drivers and builders tuning vehicle handling, ride balance, and suspension behavior. This spring is supplied individually and is suited for compatible coil-over assemblies.
The spring is manufactured from steel to deliver reliable resistance to repeated compression and rebound cycles. Its coil-over configuration makes it a practical choice for motorsports, track-focused vehicles, autocross builds, and other applications where precise suspension tuning is important. The metric specification allows it to integrate with compatible suspension components designed around metric coil-over hardware.
A copper powder coat helps protect the steel surface while providing a clean, distinctive finish. The coating supports long-term use in demanding environments when the spring is properly installed and maintained. Before installation, verify compatibility with the vehicle, shock body, spring perch, and intended suspension system. Swift Springs part number Z65-203-090 offers a focused combination of spring rate, coil-over compatibility, and durable steel construction for suspension setups that demand repeatable performance.

Features:

• Swift Springs metric coil-over spring for compatible performance suspension systems

• 9 kgf/mm spring rate for firm, controlled suspension response

• Steel construction supports durability through repeated suspension cycles

• Copper powder coat helps protect the spring surface and provides a clean finish

• Swift Springs part number Z65-203-090, supplied individually