NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S) Suspension>Suspension Arm Bushings pre-programmed power from the most

pre-programmed power from the most trusted name in engineered engine efficiency

better combustion and lower EGTs

weight reduction of up to 100 pounds is easily achievable

The EVO9203 was precisely tuned and tested on our in-house dyno to replicate stock fueling while increasing horsepower and torque

and also to suit the actuation and control needs of the ARB Air Locker(TM)

NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S) Suspension>Suspension Arm Bushings pre-programmed power from the mostNGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete