My plugs are getting due for replacement, I'm going to switch from Champion plugs to Tempest plugs (after watching a Busch webinar on the topic).
I currently have Champion REM37BY in my O-320. Am I correct to believe that tempest UREM37BY will be a direct drop-in replacement?
I currently have Champion REM37BY in my O-320. Am I correct to believe that tempest UREM37BY will be a direct drop-in replacement?