NGK Spark Plugs Ruthenium HX 16 x 93420 LFR6BHX Dodge & RAM V8 6.2L S/C + others

16 x NGK Ruthenium HX 93420 LFR6BHX Spark Plugs. NGK Ruthenium technology provides maximum durability and performance in newer engines where greater ignition efficiency is demanded.Modern engine designs utilize advanced technologies to create more power with less fuel.