John - Which boat? I have them on my '99 700lx with the standard mounting just right through the trailer where the manual tiedowns hooked on, never had an issue, as long as the buckles and their strap is BELOW your bunks when retracted it shouldn't be an issue.
Oh and I've used both Rodsaver and Boatbuckle brands on my 2 tracker/nitro boats with no issues. They are GREAT, I never have to remember where I put the tiedowns, and even my 10 yearold can hook them up/off!