NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing 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: TR6 Specifications Warranty 1 Year Torque Specs Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft. Brand NGK Heat Range 6 Longevity 30k Miles Resistor Yes Shell Warranty 1 Year Torque Specs Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft. Brand NGK Heat Range 6 Longevity 30k Miles Resistor Yes Center Electrode Material Nickel Type V-Cut Size 2.5mm Projection Projected Ground Electrode Material Nickel Type Standard Quantity 1 Fitment Automotive 2015 Cadillac Chevrolet 2014 Cadillac Chevrolet Ford 2013 Cadillac Chevrolet Ford 2012 Cadillac Chevrolet Ford 2011 Cadillac Chevrolet Ford 2010 Cadillac Chevrolet Ford 2009 Cadillac Chevrolet Ford 2008 Chevrolet Ford 2007 Chevrolet Ford 2006 Chevrolet Ford 2005 Ford Mazda Mercury 2004 Ford Mazda Mercury 2003 Ford Mercury 2002 Ford 2001 Ford Mercury 2000 Aston Martin Ford Mazda 1999 Ford Mazda 1998 Ford Mazda 1997 Ford Mazda 1996 Ford 1990 Pontiac 1989 Pontiac 1971 Rover 1970 Rover 1969 Rover 1968 Rover Non Automotive Sorry, no non-automotive applications are associated with this part.