Has anyone tried making or sourcing thicker c clips for the GM 7.5?

Found my rear end had .150 thick c clips.

New Dorman clips were .155

Measuring the end play I could use a .165 and .170 to tighten things up nicely.

I've only found these, but the OD is too big for my f body diff

http://www.tceperformanceproducts.com/service-parts/