Universal Parts QMB139 Non Emissions Head - 69mm Valves $45.99 Quantity discounts available QuantityPrice SKU: 151-249 Restock: Early June This item is IN STOCKCurrent Stock: 21 Quantity -+ Add to Cart Details Universal Parts Completely Assembled Non Emissions Style Cylinder Head with 69mm Valves Specs Intake Port Diameter: 17mm Exhaust Port Diameter: 18mm Valve Length: 69mm Supported Models QMB139 50cc/49cc DetailsSpecsSupported Models Back Universal Parts Completely Assembled Non Emissions Style Cylinder Head with 69mm Valves for 50cc 4-stroke QMB139 engines. Back Intake Port Diameter: 17mmExhaust Port Diameter: 18mmValve Length: 69mm Back QMB139 50cc/49cc