Product Details
- Cylinder Works Power Valve for standard or big bore.
- Fits Yamaha YZ 250 (99-19)
- Fits Yamaha YZ 250 (99-19)
- Cylinder Works Exhaust Power Valve for standard bore. 66.40mm
- Fits Yamaha YZ 250 (99-19)
- Cylinder Works Exhaust Power Valve for Big Bore Kit. 72.00mm