The wood’s cut, the kerosene’s been applied, everyone’s gathered ‘round, marshmallows impaled on twigs and ready to be roasted, but unless someone lights a match, this campfire’s as good as dead. Well, that’s what the spark plug in your truck’s ignition system is: the spark that starts the fire in your engine, the all-too-important point of ignition that makes it all go. Without a functioning set of GMC Sierra spark plug wires, the transfer of volts from the distributor cab to the spark plug will not be initiated, and your engine will essentially be firing blanks.

Your GMC Sierra spark plug wires are oftentimes carrying more than 20,000 volts along the line to the connecting spark plug, so it’s obvious that much is riding on their continual success in that endeavor. Engines are becoming more and more advanced and complicated, so spark plugs are working harder than they ever had to before in order to keep pace with the evolving mass of metal, electronic systems, and gases permeating underneath the hood of your truck.

As the heat continues to get turned up, your GMC Sierra spark plug wires must continue to carry the necessary amounts of voltage in order to feed the increasingly hungry engines of today’s trucks. These wires are very well insulated so that they have a fighting chance to survive the intense heat, and sometimes cold, as well as other potentially harmful elements present in your truck’s engine. Don’t let your spark plug wires become that guy whose job was to supply the spark for the campfire but didn’t come through.Shop with us today to equip your truck with the GMC Sierra spark plug wires it needs to keep firing away.