stihl 440

Hi there, any body know if you can put stihl 461 top cover and air filter cover onto a 440?

I’m sure everything I’m going to ask has been hit before but I have searched for quite awhile on here through bad threads that won’t show up and also pictures.. purchased a 440 for $50 I am going to do some mods to it, dp muffler and cover, new piston and jug.. Id like to port out the ridges a...