Includes the basic tools needed for installation of reamable king pin bushings. Requires ZTSE4330A basic kit and appropriate installers and reamers, which must be ordered separately. Axle Applications: (PT-4370-20) Meritor FL/FH901 1.9985 in. King Pin Set Pin Diameter FL with Easy Steer. Kit Includes x1pc of Small Pilot p/n: PT-4360-6 (2.0″ O.D.), x1pc of Large Pilot p/n: PT-4360-7 (2.12″ O.D.) and x1pc of Reamer p/n: PT-4360-8.