JCMackExplorerMay 05, 20168.1 chevy engine spark plug changethinking of having replacing the spark plugs changed in my 8.1 engine what are the recommended plugs to use these days oh and i guess some high heat resistant spark plug wires thanks
KD4UPLExplorer IIMay 06, 2016I'd stick with OEM which should be AC Delco. Do you have the owners manual? It should list the exact plug.
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