NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S)

NGK 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 fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.This Part Fits: Year Make Model Submodel 1998 Audi A4 Avant 1997-2001 Audi A4 Base 1998-2001 Audi A4 Quattro Avant 1997-2001 Audi A4 Quattro Base 1997 Audi A6 Avant 1997-2001 Audi A6 Base 1997-2001 Audi A6 Quattro Avant 1997-2001 Audi A6 Quattro Base 1997-1998 Audi Cabriolet Base 1999 Bentley Arnage Base 1997 BMW 540i Base 1997 BMW 740i Base 1997 BMW 740iL Base 1