1976 Mercruiser prop

[Mattg1974]

1976 Mark Twain V180 with 165hp Mercruiser. I just bought the boat and prop got chewed up last summer by previous owner. What did this boat come with?
The old prop is 14.5x19p.
Is that right for this boat?

 

[Bondo]

Ayuh,..... Welcome Aboard,.... Read this 1st,.....
A 19" pitch is probably a good place to start,.....