NGK Iridium IX Spark Plug Box of 4 (UR6IX)

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

This Part Fits:

Year	Make	Model	Submodel
1970-1972	Ford	Mustang	Base
1970-1971	Ford	Mustang	Boss 302
1970-1972	Ford	Mustang	Grande
1970-1972	Ford	Mustang	Mach 1
1995	Ford	Mustang	SVT Cobra R