WILL NGK tr55 SPARK PLUGS FIT?
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Hey guys will NGK tr55 spark plugs fit my 1998 ls1, reason im asking is a couple sites that ive been to said that product was not a match for vehicle so i was kinda confused.
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Yes, they will fit. I currently have them in my '98 LS1, as do many others on this site. I believe the correct part/stock number is 3951.
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