Because you want to grab as much power as possible from your heavy-duty full-size pickup, consider our GMC C/K 3500 spark plugs as replacement to your factory plugs. C/K 3500 performance spark plug sets use a capacitor inside the plugs to produce a spark of 1,000,000 watts, instead of the 50 watt spark of your typical plugs.
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Extra bursts of energy from GMC C/K 3500 racing spark plugs equal improved fuel combustion and up to 12 percent more torque when you require it. The people who write our C/K 3500 spark plug reviews know what they're talking about, because they live with these plugs.