dome heads for banshee

[sharka]

just wondering if anyone with a banshee and has put dome heads on it or know anything about them?? supposed to give you another 20cc?

my bike has been bored out to a 370cc already so would make it a 390? just trying to find out more info

[3fiddy]

im running 19cc dome chambers in my cool head Banshee,
If you have a stock crank dont go any further. i would assume youve got a stronger bottom end so going out another 19cc would be ok.