Universal Parts Final Drive Shaft $19.99 Quantity discounts available QuantityPrice SKU: 151-55 Restock: Early June Out of Stock Available for BACKORDER Email When Available - Click Here! Get notified when your part is back in stock. First Name Last Name Email Address (required)Suscribe to marketing emails. Email Me! Quantity -+ Add to Cart Details Specs Length: 126mm Number of Splines: 19 Diameter (center of shaft): 27mm Diameter (smooth end): 17mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Final Drive Shaft for 50cc 4-stroke QMB139 engines. Back Length: 126mmNumber of Splines: 19Diameter (center of shaft): 27mmDiameter (smooth end): 17mm Back QMB139 50cc/49cc , Various unlisted makes/models