350z HR NGK Ruthenium HX Spark Plugs (LKAR7AHX-S)

Specifications:

Resistance: 5 kOhms
Ground Electrode Tip Design: DFE
Ground Configuration: Standard
Ground Electrode Core Material: Nickel Core
Center Electrode Core Material: Copper Core
Electrode Material: Ruthenium
Gap Size: .044"
Ground Electrode Quantity: 1
Insulator Height: 51.00 mm
Manufacturer Heat Range: 7
Seat Type: Flat
Reach: 26.5 mm
Thread Diameter: 12.00 mm
Insulator Type: Projected
Heat Range: 7

Features:

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

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. 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. This results in greater heat and pressure in the combustion chamber, which shortens the life the spark plug. In response, NGK created Ruthenium HX™, a high ignitability spark plug with outstanding service life.