WTB: AAZ injector cores

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I want to rebuild the injectors on my AAZ. It's my daily driver, so I can't really afford much down-time while I fiddle around and take them to be tested.

I got a great deal on some brand new nozzles from a gentleman who sold his car before he had time to rebuild his injectors; so I'm looking for some usable cores to put them in.

I'm in the greater Montreal area
Jeremy