Description
Suspension performance hinges on fork spring consistency, and Factory Connection’s precision-wound springs deliver the repeatability you need lap after lap. Built with heat-tempered, shot-peened construction, these springs resist fatigue under extreme conditions while maintaining accurate spring rates that keep your front end responsive and predictable. Whether you’re fine-tuning a race bike or demanding reliability from a high-use machine, this 0.42 kg/mm rate offers the durability and performance characteristics serious racers expect.
- Cold-wound CNC precision
- Heat-tempered construction
- Shot-peened finish
- End-ground for accuracy
- Fatigue-resistant preset
- 0.42 kg/mm spring rate
- Made in USA
- Bolt-on installation






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