Whats the difference in Twin cam frames and single cam frames. I have an 08 Rocker, Looking at switching engines and the motor says built for single cam frame?

 

single cam frame meaning "Evo"? I think the mounts are different

 

I am not sure going to call them tomorrow its a Hyperformance engine i am thinking about if its not to much pia to swap

 

The Twin Cam engine and trans bolt together and to the frame as one unit. Evo style engines and trans bolt to the frame on their own mounts and are connected via the primary. Two totally different style frames. Someone does make an adapter so that you can bolt a twin cam engine into an evo style frame using and evo style trans. I just don't remember who.