Description
The QA1 9HT300 coil spring delivers the consistent, predictable rate you need for high-travel suspension setups where precision matters. Whether you’re building a dedicated track car or upgrading your coil-over system, this 300 lb/in spring provides the stiffness to maintain geometry under load while resisting bottoming in aggressive applications. The compact 2.5-inch ID makes it compatible with most modern coil-over designs, giving you flexibility in your suspension architecture.
- 2.5 in inner diameter
- 9 in length
- 300 lb/in rate
- High-travel capable
- Coil-over compatible
- Silver powder coated
- Sold individually






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