Seller notes

Boyesen RAD Valve #RAD-34J for Yamaha YZ250 2-Stroke/YZ250X 2-Stroke Product Details Patented, one piece, cast aluminum Reed Block system that delivers guaranteed bolt on performance. Carb boot, Carb boot clamp and gasket provided. No modifications required. Boyesen's hot Rad valves provide plenty of offroad torqueCustom reed cage holds Boyesen's carbon fiber reedsSustains flow velocity through the valve and redirects intake charge for balanced distribution to intake portsQuickens throttle respo...

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