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2006 Pontiac Grand Prix Gxp 5.3L V-8 Spark Plug Recommndation???

sschwaeble93

sschwaeble93

New member
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.:th_thumb-up:
 


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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