garryowen
New Member
- Mar 3, 2008
- 689
- Boat Info
- 230 weekender-
-310 sundancer
- Engines
- 454 Mercruiser w/Bravo III-
-twin 7.4 mfi w/Bravo III's
i'm sure now after looking its a 3/8" bolt hole for mounting something not used on our boats. could be 5/16" but not a problem