Description
If you’re building a high-lift cam setup on your Big Twin, valve spring performance directly determines whether your engine will survive extended rpm runs or fail catastrophically. The KIBBLEWHITE 20-20132 kit handles the extreme demands of 0.600″ maximum lift with interference-wound spring technology that resists coil bind and maintains consistent pressure across the entire valve event. This is engineered reliability for serious engine builders who refuse to compromise on critical components.
- Supports 0.600″ lift
- Interference-wound design
- Double-chrome silicone coating
- Heat-treated steel washers
- Included steel retainers
- Big Twin application
- Made in USA
- Bolt-on installation
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