The IPA7885 thread adapter adapts any 18mm spark plug hole thread to 14mm
Now you can put a standard spark plug in the large old style hole
Compatible for use with all tools in the Engine Calibration Kit
The IPA7885 thread adapter adapts any 18mm spark plug hole thread to 14mm. Now you can put a standard spark plug in the large old style hole. Compatible for use with all tools in the Engine Calibration Kit Use with top dead center indicator #7880 / #7886; Use with crank stopper #7876; Use with compression gauge extension #007881.