89 Chevy 1500 4.3. What's the best performance spark plugs for my truck. Thanks.

Asked by Mar 09, 2017 at 10:53 AM about the 1989 Chevrolet C/K 1500 Scottsdale RWD

Question type: Maintenance & Repair

4 Answers


Best is a matter of opinion. Personally I like NGK.

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Best Answer Mark helpful

Thank u I had Acdelco iradiums but wanted to try Ngks. So Ngks it is. Thanks.


Delco or ngk coppers work best in a tbi 4.3.

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