3.5 inch Dia 7 Cylinder Wasp Radial P/N 1028-3
3.5 inch Dia 9 Cylinder Wasp Radial P/N 1028-4
3.5 radial nacelle
3.75 inch Dia 9 Cylinder Rotary P/N 1028-17
31/4in x 9/16in Makes 4 Bombs Type 1-3 P/N 1037-13
3in Dia Plastic Wheels
3in dia WW I Fabric Simulated Hubcaps
3in radial front 7cyl P/N 1027-9
3in radial front 9cyl P/N 1027-10
3in X 3 3/4in pilot P/N 1005-25