WYK 15mm Barrel Valve $12.49 Quantity discounts available QuantityPrice Quantity: -+ SKU: AV725 ABOUT THIS PRODUCT:WYK 15mm Barrel ValveAboutAboutReplacement 15mm barrel valve for Walbro WYK carburetors. Fits WYK-33, WYK-58, etc. Walbro Part # 34-760