RSREVIEW | MYTH OR FACTS OF RACING SPARK PLUGS PART 1

Hi guys, in this episode, we will review 6 spark plugs, ranging from standard spark plugs to racing spark plugs which were popular in their era. Want to know how the results of the review? How is the performance change? Come on, just watch the video guys, and keep watching our channel for more reviews!
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See you in the next review episode guys!
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