Part Number 136-0090-990 having (CAGE Code 10391) and FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components in stock with ready to ship. Get an instant quote for 136-0090-990 Insert Engine Valve Seat by Clinton Engines Corp. 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.