NGK Ruthenium HX Spark Plugs

4.89 out of 5 stars 38 Customer Reviews

NGK Ruthenium HX spark plugs are designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) engineering promotes spark energy concentrat

NGK Ruthenium HX spark plugs are designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) engineering promotes spark energy concentration and ignites a wider range of air/fuel ratios, offering improved performance in rich or lean engine conditions. Order the plugs recommended for fitment on your application.

Additional details:

* 0.4mm Ruthenium alloy fine-wire center electrode and 0.8mm platinum fine-wire ground electrode
* Trivalent metal platinum provides superior anti-corrosion and anti-seizing properties
* Corrugated ribs prevent flashover
* Pure alumina silicate ceramic i

Showing In Stock Items. Show All 25 Items.

Results 1 - 22 of 22

NGK Ruthenium HX Spark Plugs TR5AHX

Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Reach, Tapered Seat, Each

Part Number: NGK-94567

5.0 out of 5 stars ( 9 )