NGK RUTHENIUM HX Spark Plugs (Set of 6) for Infiniti G37 & Nissan 370Z

NGK Ruthenium HX spark plugs arethe best in class plug on the market for today's modern vehicles.  NGK's patented Ruthenium technology offers the highest performance and life expectancy of any spark plug. 

Created from advanced OE technology as a high ignitability plug,  RUTHENIUM HX spark plugs come with patented specialized OEM DFE and PSPE tip designs to meet the demands of modern engines. 

Unparalleled durability and a more complete fuel burn resulting in a quicker throttle response, smoother idle, and better cold starts.  Trivalent metal plating eliminates the need for anti-seize.

Center Electrode Core - Copper Core
Center Electrode Tip - Ruthenium
Ground Electrode Core - Copper Core
Hex Size: 14mm
Pre-Gap size - .044mm
NGK Heat Range: 8

 FEATURES:
Iridium tipped center electrode provides durability six times harder than platinum.  NGK's high-grade pure aluminum ceramic and 98% pure copper core prevents the spark plug from overheating while providing reliable starts.

FITS:
2008-2013 Infiniti G37
2009-2015 Nissan 370Z
2007-2008 Infiniti G35 Sedan (One step Colder)
2007-2009 Nissan 350z (One Step Colder)
2013 Infiniti EX37
2011-2013 Infiniti M37
2014-15 Infiniti Q50
2014-15 Infiniti Q70

Part #: DF8H-11B
Quantity: 6
Plug Type: Iridium
Engine: VQ37HR - 6 cylinders