NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket NGK Ruthenium HX™. Ruthenium HX™ spark plugs. The ultimate high ignitability spark plugs from NGK. Modern engines demand spark plugs that provide top performance while enduring the most severe conditions. 

  • DFE & PSPE™ tip designs
  • Superior oxidation resistance
  • Advanced high-ignitability technology
  • Enhanced blistering/anti-peeling 


Center Electrode Core Material Copper Core
Center Electrode Tip Material Ruthenium
Electrical Terminal Type Non-Removable Nut
Gap Size .032″
Ground Configuration Standard
Ground Electrode Core Material Copper Core
Ground Electrode Quantity 1
Ground Electrode Tip Design PSPE
Hex Size 5/8″
Insulator Height 52.50 mm.
Manufacturer Heat Range 7
Part Number LTR7BHX
Reach 25.00 mm.
Resistance 5000 ohms
Seat Type Tapered
Stock Number 95605
Thread Diameter 14.00 mm.