Hey Guys!
Got a set of STD heads on a 56 Panhead that I am trying to figure out more info because STD is no longer in business. They are the STD panhead heads that have the three mounting bolts and are dual plug ones. Problem is that they don't have any plugs and I am at a loss of what spark plugs to use in them? I think they are shovelhead plugs but which ones for what years? Plug numbers would be appreciated. Also looking for guys to give me the low down on these heads. Any good?
Thanks,
Jay
Got a set of STD heads on a 56 Panhead that I am trying to figure out more info because STD is no longer in business. They are the STD panhead heads that have the three mounting bolts and are dual plug ones. Problem is that they don't have any plugs and I am at a loss of what spark plugs to use in them? I think they are shovelhead plugs but which ones for what years? Plug numbers would be appreciated. Also looking for guys to give me the low down on these heads. Any good?
Thanks,
Jay
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