Anyone installing new spark plugs needs to be mindful of the right gap for successful ignition and optimal performance. This gap, or the proper distance between the center and ground electrodes, can be found in each vehicle’s service manual. One of the main reasons to take extra care in this area is that spark plug
ACDelco plugs feature advanced suppressor designs that prevent flashover & leaks of combustion gases. Sponsored by ACDelco.
Making sure to pick the correct replacement plug is crucial, but so is understanding them.