I used to know this, but I forgot. Other than weight, what was the gain in removing pair valves? And what was the weight? Is there a difference in pairs for CA vs 49 states?
BTW, speaking of weight, I'm making a temp mount for luggage and noticed how heavy those back brackets on the rear foot pegs are. Those things are heavy!
Pull them off and check, they are the backing plates for the screws on the rear pegs.
Edit: I just noticed from Googleit's video on YT, that these kits don't have the block off parts for the tubes that his kit has. Do you just leave them open?