Champion Spark Plug, Shielded, Single Fine Wire Electrode, Iridium. This Spark plug has 18MM Thread size and 3/4-20 Shielding Thread at Ignition Harness Connecting End.
Please note: Opened Plastic Spark Plug Packages are not returnable. Please confirm you have received the correct spark plugs for your application before opening package.

ACA-101A Aileron Cable, Ag-Cat, Grumman G-164, G-164A | ACA101A
AD1B2 Specialty Tires of America Aircraft Tail Wheel Tire | 10x3.50-4, 4 Ply 