Toss your stock plugs and set up a bit of supplemental pep. By upgrading to our Lincoln Navigator spark plugs you can force huge gains from your cylinders. These spark plugs can allow you to get more power from your rig, anywhere you drive.
Improve your MPGs and hook up huge power gains in seconds. Setting up Navigator replacement spark plugs is as dead simple as taking out the socket wrench. You can get a fantastic deal, as all our Navigator spark plugs ship to your door totally free.