Green up the ignition in your full-size pickup truck's engine by adding the performance GMC Sierra spark plugs that we offer at AutoAnything. Instead of using the mild spark of your OEM plugs, try one of our Sierra performance spark plug sets that boost the wattage from 50 to 1,000,000 each time one of these plugs fires in your engine.
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For a high-tech tune-up and rubber-burning performance, make the switch to Pulstar Spark Plugs. Armed with an integrated capacitor, they store and compress electricity before unleashing it in a spectacular spark for 5,000,000 watts of peak power. Limited Lifetime Warranty.
Crank your combustion up to 11 and experience immediate gains in power, fuel economy and motor longevity with Pyrotek E3 Spark Plugs. Featuring their unique DiamondFire technology, E3 plugs burn sooner and stronger for intense results. Custom gapped. 5-year warranty.
Most of our Sierra spark plug reviews attest to noticing gains in performance and fuel economy just by adding these plugs. That's because built-in capacitors in our GMC Sierra racing spark plugs store the energy from your coil and fire it with an intense pulsation.