HKS SPARK PLUGS

I do .028 with stock boost stock turbos ive heard some members gap smaller than that with tune i hope i helped a little
 
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JB4 map 2 here. I did .022
 
I have a jb4 running map1 or map2 (depending on gas) and have HKS gapped to .022.
No problems.
 
Kia Stinger
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