Fixing yz426 bog

I have been scouring the forums and read the sticky, just need some advice for my situation. I read the 426 doesn't have a leak jet, so I want to get a r&d bowl with the leak jet, a 40 to be exact. Then replace the spring on the ap with the one from Tokyo mods, but I can't find a diaphragm upgrade kit other than the one on crfsonly.com. Is that the correct one I need even if it's made for Hondas?

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