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these plugs any good

2K views 10 replies 6 participants last post by  dmsfun 
#1 ·
i was looking on jeep garage and came across the spark plugs for the hemi,are these as good as the dealer?
 
#3 ·
Yes!!! Those are perfect!!!! :lol: Ok - sorry......info please :D
 
#6 ·
I've always heard to stick with factory spec: Champion 570's. I'll be doing mine soon.
 
#11 ·
IF your original plugs are over 50k, they are well past the worn out stage. Also clean your TB when chamging plugs, as that makes a huge difference in performance with the hemi, as it gets very gunked up. IF you put a catch can on after cleaning the TB, it will not collect all the baked on build up down the road
 
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