Description
A quality rear spring is the foundation of predictable weight transfer and consistent lap times. The Hyperco 18SNT-125 delivers a moderate 125 lb/in spring rate that balances compliance for street driving with the control needed for track applications. Whether you’re tuning a dedicated race car or optimizing a dual-purpose build, this conventional coil spring integrates seamlessly into most rear suspension geometries.
- 125 lb/in spring rate
- 20-inch overall length
- 5-inch inner diameter
- 5-inch outer diameter
- Conventional coil design
- Blue powder coat finish
- Sold individually
- Rear position application






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