I'm going to get a new prop for my 1999 15' Bass Stream with a 2000 Johnson Ocean Pro 90.  I noticed the cavitation plate is sitting an inch and a quarter below the bottom of the boat so I'm going to raise the motor so the plate is even with the bottom or just a hair above.  

Right now I have a SS 13 x 21 OMC stock prop that is kind of nicked up with a couple of good size dings.  WOT is 5800 rpm and 57 mph on the gps.  The Ocean Pro's top rpm is 6150 according to the manual and there is a governor that keeps it from going higher.  

Right now I'm either going to order a Ballistic 13 1/8 x 21 or Raker 13.5 x 22 SS Prop.  Anyone use either of these props or have any suggestions?   :-/  

Personally, I like the raker, but I also have them custom tuned for my boat/motors setup.

As for the max recommended rpm on your motor, it's less than 6,150, that's what they have the rev limiter set at so the motor can't turn more that.   Besides, with a 22" raker, you most likely will not reach near that.

You need to try 22" prop before you buy it.  Get the motor up more and it might be the perfect pitch, but it also might be one cut too much.  You've also got to remember, when the water warms up this summer, you will loose a few hundred more rpm.  Turning 5,800 now, you will only be turning 5,500 - 5,600 this summer and if that's 5,800 with just you, it's even going to be a lot less with two people and a full load.