Speaker 1: Today, we're going to be taking a look at the best fifth wheel rail kit options for your 2017 F250. Here we have four of the best fifth wheel rail kit options. The difference between these is here on your right side, you're going to have the under-bed setup, and here on your left side you're going to have the above-bed setup. As far as ease of installation, I'm going to have to… see more >