If you are going to run an electronic ignition on your aircraft engine, you will need a set of these to adapt the 18mm spark plug threads in your aircraft cylinder head to 14mm threads for use of automotive spark spark plugs. These are the highest quality adapters you will find. These adapters are made on our in house CNC equipment. They are made from the strongest alloy of naval brass - The same alloy used to make propellers on large ships. You will find the thread tolerance and finish of these parts second to none. These adapters are included at no extra charge in our ignition and fuel injection kits. |
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Yes, this is priced and sold as a 4 pack.
These are long reach. The long reach adapters with crush washer installed have approx .7" of thread available to go into the cylinder.