Heavy duty dual valve springs increase valve control and decrease the chance of valve float in high-performance CRF/XR100F engines.
- Dual Spring Upgrade
- Includes Retainers
- Fits 1979-Present XR100/CRF100
- Great for Aftermarket Cams & Big Bore Kits
Keystone Cycle Parts will be closed Thursday 6/11 and Friday 6/12. Any orders placed on these days will ship on Monday 6/15. We appreciate your business and support!
411-HXR-1025
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Heavy duty dual valve springs increase valve control and decrease the chance of valve float in high-performance CRF/XR100F engines.