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Don't-Trip Trucks used to make a street truck by CNC machining it (instead of casting it, which is the cheap way). This resulted in it costing well over $300. Generally you only would ever precision machine downhill longboard trucks because you only need that precision and strength when you're hauling ass 40mph down a mountain road. So this begs the question: Why do you think this guy CNC machined street trucks in the first place?
There is no longer a webpage for it but here's some dude's video: