Superior Materials. NGK Iridium IX Performance Spark Plugs feature a copper core electrode for its superior conductivity and an iridium tip (which is 6X harder than platinum) for it's extremely high melting point, perfect for keeping your Mustangs high-performance engine running at it's peak. And as an added bonus the Iridium IX plug features Trivalent Metal Plating for it's superior anti-corrosion and anti-seizing properties.
Application. This set of eight (8) NGK Iridium IX Performance Spark Plugs are specifically designed as a direct fit replacement for the 1979-1982 5.0 V8, 1987-1993 5.0 LX/GT, and the 1994-1995 GT Mustangs equipped with the 5.0 liter V8.
Mustang Fitment: 1979, 1980, 1981, 1982, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 Details >>