Like bolts of lightning the tiny things in your engine called spark plugs provide your vehicle with maximum power and better fuel economy. This is why it is important to purchase spark plugs made of a good quality material. Spark plugs are often made out of copper, platinum and iridium. Spark plugs can last for a long time in your vehicle. They should be checked and either cleaned or replaced based on how your vehicle service manual or how your engine is running. Check our webstore for quality spark plugs for your GM.
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