Hey Jeff, it might just be the concerned old father part of me writing this but you really should rethink how you fastened those seats to the floor. The way you did it creates a much greater potential for the mounting bolts to shear off. In those rear little box mounts you made that bolt will likely develop fatigue as it can flex between the lower weld point and the top where it gets snugged against the factory seat rail. That clearance hole in the top of the box channel is an issue. I think in the video you mentioned maybe you should have welded up at the top as well. At minimum if using this design you should. At the front, that little round spacer is not good at all. The actual surface area to which the seat is clamped down is limited to the very small surface area of the top and bottom of that spacer. To make it worse, that tiny surface area is surrounding a hole in the rail (and floor panel) that the bolt passes through. These areas will likely fatigue crack quickly as well. In a stock situation, look how much surface contact the base of the rails makes with the floor. The mounting bolts clamp the two together spreading the load across a broader, stronger area. Just getting in and out of the seat will quickly challenge your set-up over time as lateral force is applied. Same with every turn, start and stop while driving. Safety first, as they say.
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