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jr_ss · 03-28-2017, 05:46 AM

I called NGK yesterday because I could not find what I was looking for. I spoke with someone from tech support; They DO NOT make a threaded terminal spark plug in 5/8 hex. They have one in the 13/16 hex, but if I'm not mistaken, that is too large for us to use in these heads.

So, I'm searching for quality plugs that use the threaded terminal stud in 5/8 hex. Anyone have anything I can look into?

03-28-2017, 05:46 AM	#614
jr_ss Post Whore! Join Date: Dec 2005 Location: Pa Posts: 6,413 Trader Rating: (35)	I called NGK yesterday because I could not find what I was looking for. I spoke with someone from tech support; They DO NOT make a threaded terminal spark plug in 5/8 hex. They have one in the 13/16 hex, but if I'm not mistaken, that is too large for us to use in these heads. So, I'm searching for quality plugs that use the threaded terminal stud in 5/8 hex. Anyone have anything I can look into? __________________ My SR20VET Does your VTC gear rattle in your S14/15 SR? PM me.