Neither Shep nor Jack's stock them. Jack's said they could order them for me. Placed an order with them just to see if they really could get the specific ones I want as the dealer said 1 of them is no longer available through Mitsubishi.
In the meantime, Tim at TMZ responded on tuners saying he stocked them. He didn't have the exact ones I want, but he does have some that will work for me so I ordered from him too.
It's crazy because I didn't realize getting shims would be such a problem. I bought another '90 talon a couple weeks ago. I towed it home on a tow dolly in non-running condition. I couldn't get it up the steep part of the driveway because it was too slippery. The clutch was bad so I parked it in the yard, pulled the tranny, and figured I'd take a look inside before putting it back in. Turned out to have a bad shift fork and rail. I replaced those and now just waiting for shims. Just hope we don't get a melt while I'm waiting as the car is up on jack stands in a flat part of the yard where water collects.