mphy98
Lieutenant
- Joined
- Oct 20, 2008
- Messages
- 1,422
the markings are on the prop 45H4 633G9 and 4874888A421P This is a spare prop that cam with my old boat I assume it fits but I want to be sure. 79 thundercraft 140hp 2ltr gm 1.98r merc outdrive serial #4798084.. also since this is my first IO any info on this drive would be appreciated. thanks bob will post outdrive on the proper forum.