Have you determined how much work you'll need to do to slide the new boot into place? Do you think the boot is there to protect whatever is inside it, or is it intended to keep water out of the holes on either side of the boat? I ask because the answer may give you other options to solve the problem. ... As was implied earlier, it looks like a type of shock absorber boot. But if it has to stand up to pounding from rushing water, it may be heavier than some.