Description
A properly matched rear spring is critical for chassis balance, weight transfer, and consistent lap times. The Hyperco 18SNU-125 delivers a moderate 125 lb/in spring rate that works across a wide range of road racing and autocross platforms, providing predictable suspension geometry without sacrificing ride quality. Whether you’re fine-tuning a dedicated track car or upgrading a street-performance build, this coil spring pairs reliability with proven performance credentials.
- 5.0 in OD
- 16.0 in length
- 125 lb/in rate
- Conventional design
- Rear axle application
- Blue powder coat
- Sold individually






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