will this aftemarket head work on my 900?

[powder junkie]

i got a chance to get a aftermarket head for my 06 900 rmk that a guy had on a 975 big bore. i do not have a big bore....but would the head do nethn to my sled performance wise? wat kinda gas am i gonna have to run for 2300ft? 30hp nos and i ride 6500-9000ft a few times a year. thanks.