Bracket Talk
ngk b9ES PLUGS?

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March 18, 2025, 06:33 PM
wideopen231
ngk b9ES PLUGS?
Have used autolte plugs only real issue for me was reading them. For me lot harder to get good reading on them. Others may have different results.




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March 23, 2025, 04:51 PM
W.A.O. 111
quote:
Originally posted by markemark:
Has anyone here used the Autolite AR 3933 Racing Spark plug vs the NGK R5671A-9 #5238? Opinions?


I just put a set of the ar3933's in my engine .
It ain't a racing deal , they're in my pro street car and just do cruising (with a Lil rip here and there) lol



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