Originally Posted by
wingracer
The taper is very close. None of them are identical but the Sirio's are a pretty close match. In fact it's weird, a Sirio plug in a Nova fits better than a Nova plug does in a Sirio. Kind of like a lot of people use OS plugs in Nova motors and it works pretty well but a Nova plug WILL leak in an OS motor.
interesting. iv heard sirio plugs work before and now with horizon carrying sirio im sure i can get some bargains thru my lhs.