Can anyone recommend the best spark plug for my vehicle which is 2006 Pontiac grand prix gxp? Should I stick with the factory Oem Ac Delco or is there a good aftermarket option? Thanks for your time people and hope to get some suggestions.
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Can anyone recommend the best spark plug for my vehicle which is 2006 Pontiac grand prix gxp? Should I stick with the factory Oem Ac Delco or is there a good aftermarket option? Thanks for your time people and hope to get some suggestions.
NGK TR5IX stock replacement or NGK TR6IX (highly recommended, there a heat range cooler btw). Also factory wires blow go with msd, they have the least amount of resistance and a good quality wire.
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