Hi, got a guy selling a Michigan Wheel stainless steel 3-blade prop. It's 14.25 dia/21 p (model # 993005). Anyone know if this will fit a Mercruiser Alpha 1, Gen 2 out drive? And might such a prop be a good fit for an 18 ft, 2500 lb bowrider runabout with a 4.3 Merc?