Originally Posted by Mr.juarez

I have never had any backing out issues. I did however used a super long screw if you look at the bulkheads and its been a year and no backing out. I just added the rsd blocks just for giggles even though I never had the holders swing out like you mentioned. I may end up taking them off since im anal about extra weight when running brushed motor.

You can also put a 5-40 nut on the inside and they will never come off