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its a mca jet valve search the net you can get an eleminator kit for it i have been running them for years in my van


You can do that ... But whats going on here "I" would not..Some are saying the jet-valve is one of the reasons Mitsu heads crack .. I'm not to say ether way ..But if I can stay away from a jet-valve head in my builds I do .. Have used them and do use the jet-valve plugs .. But like to stay away from them if I can...