Radiator Mount Kit, designed to meet mil-spec. Bushings have steel inserts. OD of straight section of bushing is designed to drop into a 1-1/4″ diameter hole. Bolts are 3/8″ x 2″. Seal is 9 feet long. Also includes 8 1/8″ hit-pin type eners. NSN 2930-00-780-5217, P/N 5703400. R3A11 13542 PRIORITY