Iridium is a precious, silver-white metal and one of the densest materials found on earth.
The natural properties of Iridium offered NGK the opportunity to create one of the world’s finest spark plugs.
The result are spark plugs that require less voltage to spark, burns fuel more efficiently,
sparks at leaner air/fuel mixtures, and delivers higher horsepower and better gas mileage.
Description/Application
Part numbers
You are bidding on a set of Eight NGK IRIDIUM IX spark plugs TR55IX for:
Ford T-Bird LX 1994 to 1997 4.6LV8
Ford Mustang Cobra 1993 & 1994 5.0LV8 & 1995 Cobra SVT 5.0LV8
Ford Mustang Cobra 1996 to 2001 & 2003 4.6LV8 & Bullitt 2001 4.6LV8
Ford Mustang GT 1996 to 2004 4.8LV8 & 2003, 2004 MACH 1 4.6LV8
Ford F150 1997 to 2004 4.6LV8 & 5.4LV8
NGK Iridium IX – The ultimate evolution of a performance spark plug.
Part Number
Stock Number
TR55IX
7164