SKU: SKU: RR-NGK-LTR7BHX
The listing is for a pack of 4 NGK Ruthenium HX Spark Plugs Pre-Gapped to 0.026.
This is the recommended gap for all Ecoboost and Coyote engines, regardless of tune.
Avoid the hassle of gapping your plugs, without the proper tools and ending up damaging your new plugs.
These are ready to install right out of the box.
Ruthenium has a longer recommended change interval than Iridium.