OEM ACDelco spark plug conventional or something better

1998 BUICK PARK AVENUE
190,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC
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DCKELLEY
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Should i buy conventional OEM ACDelco or a better ACDelco for my car? copper, platinum or iridium? i can't seem to find the information online.
Feb 22, 2019 at 4:04 PM
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SCGRANTURISMO
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Hello,

I have included for you in the diagrams below all the information you requested for replacing spark plugs and your spark plug wires. I would recommend using the OEM spark plugs as they were the ones intended for your car. I hope that this helps.

Thanks,
Alex
2CarPros
Feb 22, 2019 at 8:00 PM