Home / Engine Stuff / Flex Drive / Flex Drive Systems / Drive Shaft Flex 503/447 Tapered Drive Shaft Flex 503/447 Tapered$495.00 Drive Shaft Flex 503/447 Tapered quantity Add to cart SKU: FD60182 Category: Flex Drive Systems Description Description For use with the 5 Belt Pully System. Shaft is tapered and threaded. Total length 25-1/8″. Includes locknut.