NGK manufacture an extremely high quality spark plug product. Part number DPR8EA-9 is no exception. We have classified part number DPR8EA-9 as "Standard" type, more specifically DPR8EA-9 features Special design as well as the same high quality copper core as the rest of the NGK sparkplug range.
NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
Your Africa Twin has 4 spark plugs fitted.