Part Number 500-7-8X1-4KEY having (CAGE Code 14204) and FSC 3010 Torque Converters and Speed Changers in stock with ready to ship. Get an instant quote for 500-7-8X1-4KEY Coupling Shaft Flexible by Magnaloy Coupling Co Div Of Douv. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.