Engine H6, Engine Size 3.0L/3000cc Engine Family 6-cylinder Original equipment manufacturer approved. Trivalent metal plating. Increased fuel economy. Sold In 6 Pack NGK V-Power spark plugs offer economical performance for nearly any automotive application-and they're the only plugs with NGK's V-Groove technology.Shorty Spark Plug: No. Resistor: Yes. Manufacturer Heat Range: 6.