Description
If you’re building a coil-over suspension system or upgrading your existing setup, spring rate is everything—and this QA1 unit delivers the consistency you need for predictable handling and reliable load support. At 150 lb/in, this spring strikes a balance between responsive feedback and durability, making it a solid choice for street-tuned performance cars and entry-level track builds. The 2.5-inch inner diameter and 10-inch length are industry-standard dimensions that integrate seamlessly into most modern coil-over platforms.
Technical Specifications:
- Coil spring design
- 2.5 inch inner diameter
- 10 inch length
- 150 lb/in spring rate
- Black powder coat finish
- Sold individually
- QA1 manufactured (10HT150B)






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