SWIFT SPRINGS Z65-203-060 Swift Springs Z65-203-060 Coil-Over Steel Spring, 336 lb/in Rate

The Swift Springs Z65-203-060 coil-over spring is designed for performance suspension systems that require consistent spring response, precise handling, and dependable durability. Manufactured from high-quality steel, this spring delivers the controlled compression characteristics needed for coil-over applications in motorsports, track vehicles, and performance-oriented street cars. Its calibrated spring rate supports predictable suspension behavior during acceleration, braking, cornering, and transitions.
The Z65-203-060 features a 6 kgf/mm spring rate, equivalent to approximately 336 lb/in, providing a firm and responsive setup for applications that demand improved chassis control. Swift Springs is known for producing precision-engineered suspension components with carefully controlled manufacturing processes, helping maintain consistent performance from one spring to the next. This makes the spring a suitable choice for replacement, suspension tuning, or building a custom coil-over configuration.
A copper powder coat finish helps protect the steel construction from routine environmental exposure while providing a clean, professional appearance. The spring is supplied individually and is intended for use with compatible coil-over hardware and suspension components. Verify spring compatibility, required free length, inner diameter, preload, and suspension travel before installation. The Swift Springs Z65-203-060 offers a reliable combination of responsive performance, durable construction, and professional-grade finish for drivers and builders seeking precise suspension tuning.

Features:

• Construction: Precision-manufactured steel coil-over spring for performance suspension applications

• Spring Rate: 6 kgf/mm, equivalent to approximately 336 lb/in, for firm and responsive suspension control

• Finish: Durable copper powder coat helps protect the spring and provides a clean appearance

• Application: Designed for compatible coil-over suspension systems used in motorsports, track, and performance vehicles

• Brand and Part Number: Swift Springs Z65-203-060 for dependable identification and replacement selection