Carb Pilot Jet Sourcing Info Sought

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Attempting to find a reliable US source for pilot / idle jets for the 50cc carbs for tuning for cold and hot weather. Would like to buy an assortment to start with, then focus on the ones that are really needed for my locale.

Don't want to buy direct from China, but the best price located currently is from Parts for Scooters. They of course are retail and expect to sell single jets to an individual, not an assortment or multiples of the same sizes to a tuner. link below:

http://www.partsforscooters.com/114-...ategory=138722

Anyone have an ideas as to where I can source what I need?