.030" longer push rods and where to find them.

The factory spacer rings actually have a pretty small profile......

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Well ****! So how the hell did this happen? And the roller rockers i have are 1.6.1 and I'd have to pull the heads and open up the pushrod holes, and after inspecting them I'm a little hesitant to use them as they are used.
I found a shim and galled shaft so i was really thinking just get a better new set instead of using someone else's past problem.