Automotive Parts and Accessories: ACDelco 41-990 Professional Platinum Spark Plug, Pack of 1 - ACDelco

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Acdelco 41-990 Platinum Plug Popular Q&A

Q: How to Read an AC Delco Spark Plug.
A: 1. Remove the spark plugs from your engine using the wrench. Set each plug aside in the order it is removed. This way you know which cylinder held which plug. 2... Read More »

Q: Who makes ac delco spark plugs?
A: From what I've been told from my AC DELCO REP they are NGK plugs. Read More »

Q: What is the spark plug gap on a 1989 Chevy 10 4.3 liter motor plu...
A: Should be .035. Read More »

Q: What is a R44ltsm AC Delco spark plug?
A: The ACDelco Spark Plug R44LTSM works with Buick Century and Skyhawk Read More »

Q: What does the ac mean in ac delco spark plug?
A: The AC stands for Albert Champion, who helped in making the first spark Read More »