I run stock birf's and have never broke one
![Fingers Crossed :crossed:](https://board.marlincrawler.com/Smileys/marlin/crossed.gif)
I run Downey limitedslips and had an ezlocker in my Sammi, I fear the birf and try to be careful for the most part. I figure when or if I ever put in a crawler I may have to go to something else due to the additional load that will be put on them.