MMR Spark Plug Gapping tool
This tool allows you to adjust the plug gap easily and safely in just seconds.
Fits:
93-2010 2v/4v SOHC/DOHC
2007-2014 GT500
2011-2021 5.0 TiVCT Coyote
THIS TOOL MUST BE USED TO GAP SPARK PLUGS, USE OF OTHER METHODS MAY CAUSE SPARK PLUG FAILURE AND ENGINE FAILURE!
