Description
A properly tuned front spring is foundational to suspension geometry and vehicle handling dynamics. The Hyperco 18Z0550 delivers a midrange 550 lb/in spring rate that balances responsive cornering with acceptable ride comfort, making it ideal for street-driven performance cars and entry-level track applications. Whether you’re fine-tuning an existing setup or starting fresh, this conventional coil spring offers the predictable, linear spring characteristics that tuners rely on for consistent suspension behavior.
- 5.5 in OD
- 9.5 in length
- 550 lb/in rate
- Conventional coil
- Front application
- Blue powder coat
- Sold individually






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