NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy Trapezoid cut ground electrode reduces quenching Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Corrugated ribs prevent flashover Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Copper core aids in heat removal Triple seals prevent leakage MPN: TR55GP Specifications Warranty 1 Year Torque Specs Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft. Brand NGK Heat Range 5 Longevity 40k Miles Resistor Yes Shell Thread Size 14mm Thread Pitch 1.25mm Seat Type Tapered Resistor Value 5K Ohm Reach 18mm (.709") Hex Size 5/8" (16mm) Terminal Type Solid Overall Height ISO Gap .059" (1.5mm) Center Electrode Material Platinum Type Fine Wire Size 0.6mm Projection Projected Ground Electrode Material Nickel Type Standard Shape Trapezoid Quantity 1 Fitment 2017 Ford 2016 Ford 2015 Ford 2014 Chevrolet Ford GMC 2013 Chevrolet Ford GMC 2012 Chevrolet Ford GMC 2011 Buick Cadillac Chevrolet Ford GMC Lincoln Mercury 2010 Buick Cadillac Chevrolet Ford GMC Mercury 2009 Buick Cadillac Chevrolet Ford GMC Mercury Pontiac 2008 Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Pontiac 2007 Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Pontiac 2006 Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Pontiac Saturn 2005 Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Pontiac Saturn 2004 Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Oldsmobile Pontiac 2003 Aston Martin Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Oldsmobile Pontiac 2002 Aston Martin Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Oldsmobile Pontiac 2001 Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Oldsmobile Pontiac 2000 Buick Cadillac Chevrolet Ford GMC Lincoln Mercury Oldsmobile Pontiac 1999 Buick Cadillac Chevrolet Ford GMC Isuzu Lincoln Mercury Oldsmobile Pontiac 1998 Buick Cadillac Chevrolet Ford GMC Isuzu Lincoln Mercury Oldsmobile Pontiac 1997 Buick Cadillac Chevrolet Ford GMC Isuzu Lincoln Mercury Oldsmobile Pontiac 1996 Buick Cadillac Chevrolet Ford GMC Lincoln Mazda Mercury Oldsmobile Pontiac 1995 Buick Cadillac Chevrolet Ford Lincoln Mazda Mercury Oldsmobile Pontiac 1994 Buick Cadillac Chevrolet Ford Lincoln Mazda Mercury Oldsmobile Pontiac 1993 Buick Cadillac Chevrolet Ford Lincoln Mazda Mercury Oldsmobile Pontiac 1992 Buick Cadillac Chevrolet Ford Lincoln Mazda Mercury Oldsmobile Pontiac 1991 Buick Cadillac Ford Lincoln Mazda Mercury Oldsmobile Pontiac 1990 Buick Cadillac Ford Mercury Oldsmobile Pontiac 1989 Buick Cadillac Ford Mercury Oldsmobile Pontiac 1988 Buick Cadillac Oldsmobile Pontiac 1987 Cadillac 1986 Cadillac 1985 Cadillac 1984 Cadillac 1983 Cadillac 1982 Cadillac 1979 Ford 1978 Ford