NGK (4177) TR6 Spark Plugs, Pack of 8 Wiring Note: HP Tuners also supports

Note: HP Tuners also supports the GM Global B T93 TCM found in some supported vehicles with the E90 ECM and 10-speed automatic transmission

Thread Size: 9/16-18

Emissions Compliance

There’s no need to remove the ECM from the truck

Electronic pull-up built in

NGK (4177) TR6 Spark Plugs, Pack of 8 Wiring Note: HP Tuners also supportsNGK 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. Features: 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