Cranking up the torque, horsepower and throttle response of your Isuzu I-Mark is as easy as replacing your old, stock Isuzu I-Mark spark plugs with some high performance Isuzu I-Mark spark plugs from AutoAnything.
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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.
Our Isuzu I-Mark performance spark plugs do just what you might expect from high performance parts—enhance your car's performance! Plus, many of our I-Mark spark plugs reduce CO2 emissions, as well. Help your car and save the planet! What could be better than that? Well, our 1-year lower price guarantee is pretty cool, too. If you find an I-Mark sparkplug for a lower price within one year of purchase, we will refund the difference!