Building a new 505 With Callies / Mopar Performance Block

I finally got my cam bolts machined / installed / Loctited and torqued.
Now I am checking the end play for the camshaft I have .028 I am using a .032 thick gasket. Looks like I will need a .020 shim.
Anyone have a source for them? I am using an AR 281 cam button and AR 224 timing cover.

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Doesn’t Andy have those shims?