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: UR5 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 30k Miles Resistor Yes Shell Thread Size 14mm Thread Pitch 1.25mm Seat Type Tapered Resistor Value 5K Ohm Reach 11.6mm (.460") Hex Size 5/8" (16mm) Terminal Type Solid Overall Height ISO Gap .039" (1.0mm) Center Electrode Material Nickel Type V-Cut Size 2.5mm Projection Projected Ground Electrode Material Nickel Type Standard Quantity 1 Fitment Automotive 1997 Chevrolet Ford GMC 1996 AM General Chevrolet Ford GMC 1995 AM General Chevrolet Ford GMC Pontiac 1994 Chevrolet Ford GMC Isuzu Oldsmobile Pontiac 1993 Buick Chevrolet Ford GMC Isuzu Oldsmobile Pontiac 1992 Buick Cadillac Chevrolet Ford GMC Isuzu Oldsmobile Pontiac 1991 Cadillac Chevrolet Ford GMC Isuzu Oldsmobile Pontiac 1990 Cadillac Chevrolet Ford GMC Isuzu Oldsmobile Pontiac 1989 Chevrolet Ford GMC Isuzu Pontiac 1988 Chevrolet Ford GMC Pontiac 1987 Chevrolet Ford GMC Pontiac 1986 Buick Cadillac Chevrolet Ford GMC Jeep Oldsmobile Pontiac 1985 Buick Cadillac Chevrolet Ford GMC Jeep Oldsmobile Pontiac 1984 Buick Cadillac Chevrolet Ford GMC Jeep Oldsmobile Pontiac 1983 Buick Cadillac Chevrolet Ford GMC Oldsmobile Pontiac 1982 Buick Cadillac Chevrolet Ford GMC Oldsmobile Pontiac 1981 Buick Chevrolet Ford Oldsmobile Pontiac 1980 Buick Chevrolet Ford Oldsmobile Pontiac 1979 Chevrolet 1978 Chevrolet 1977 Chevrolet Oldsmobile Pontiac 1976 Chevrolet GMC Oldsmobile Pontiac 1975 Ford 1974 Chevrolet Dodge 1973 Chevrolet 1972 Chevrolet 1971 Chevrolet GMC Mercury 1970 Ford Non Automotive Commercial & Industrial Commercial and Industrial Engines Chrysler Ford Generators WINCO Tractors & Lift Trucks FORD HYSTER TORO Lawn & Garden Outdoor Power Equipment Marine Inboard AMERICAN CHALLENGER American Challenger AMERICAN CHALLENGER BERKELEY Berkeley CHRYSLER Chrysler FLAGSHIP Flagship HARDIN Hardin Marine Indmar INDMAR OMC U. S. MARINE U.S. Marine Volvo Penta VOLVO-PENTA