NGK Ruthenium HX Spark Plug Set of 16 Hemi 6.2L OEM Heat Range (LFR6BHX) Back Racks & Sport Bars * Center and shoulder grooves

* Center and shoulder grooves are set in zig-zag pattern to provide biting edges for enhanced traction

A wideband UEGO sensor controller accurately monitors Air/Fuel ratios (AFR) during the tuning process to prevent a lean fuel mixture

A: Not recommended but can be done

which allows the camshaft to pick up torque in the low end of the engine while maintaining power up high

but it does it with our Low Profile Styling that will look great on any truck

NGK Ruthenium HX Spark Plug Set of 16 Hemi 6.2L OEM Heat Range (LFR6BHX) Back Racks & Sport Bars * Center and shoulder groovesTHE LATEST INNOVATION IN PRECIOUS METAL SPARK PLUGS. Modern engines demand more power while using less fuel, shortening the life of traditional iridium and platinum spark plugs. NGKs patented ruthenium technology stands up better to wear to bring maximum durability and performance to your engine. Ruthenium HX brings the most advanced spark plug technology to the automotive aftermarket, delivering better efficiency and power for todays engines. THE NGK