Well I checked and it is indeed 8309 so (as we all knew of course) Brent definitely sent me the correct cap. I just had time to check the part number last night but haven’t tried to fit the cap again yet. Man this is really bugging me. Am I overlooking something obvious here ?


'06 Speedmaster, DBA Performance Pipes, re-jetted, needles, Snorkel / AI removed, shiny bits......