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.

LP-001.125 SG Aircraft Windshield, LP Aero Plastics FAA-PMA Replacement 001 SG
MC345-085-6 Propeller Control, Cessna TR182, McFarlane FAA-PMA Replacement | MC3450856
PSS-KT-32 SEAL KIT, Piper Strut, Main | McFarlane Aviation, Inc.
Oil Filter Bib 3 Pack 