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263 Posts
what spark plugs should i use in a 96 ultra sp?i bought it with br8es and it and i think it should have 9's.should i just go with the hood stickers and run the champions?
alot of money for nothing! i tried running expensive plugs and regular ngk's. and did not see a improvement, if you are racing and need everything running optimum performance then their worth it.Originally posted by minnesotaderek
[br]what do you guys and girls think about splitfire plugs?i know they worked great in my old dirtbike.