Part Number 291AS403 having (CAGE Code 9N498) and FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components in stock with ready to ship. Get an instant quote for 291AS403 Ring Piston by Lee Precision Machine Shop Inc. 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.