The 20 X 8, 20 X 10 and 22 X 8 are mentioned most often for this engine. I bought a 22 X 8 for mine. but havn't run the engine.

As far as brand goes, some of the more expensive props do work better.

The Dyna Thrust is peobably the most popular in the USA because of its low price?

There are so many variables in using props. you made need, or want, to try several different ones before it is over to see which one you like the best?

Enjoy,

Jim