The FIT89 kit contains all the air line fittings used in an HK8 or HK9 Problaster Horn Kit. Includes the following 1/4" NPT fittings: P/N 2151-145 PSI pressure switch, P/N 52175-175 PSI safety valve, P/N 52835-drain cock, 51212 compression fitting, P/N 50040 hex plug. Also includes P/N 318-BK momentary push button and a vial of Juice-1 Thread Sealant.
