Greatlakes skipper is like that.  They buy out closing, defunct or over stocked dealer inventory.  
I’ll keep an eye out.  Here’s a couple or places that may be able to help:
Ricky Krieger: www.nwlakelife.com
Vince Zimmer: Alpine Haus Marina
https://alpinehausmarina.com
[email protected]
Tell them Travis Thams directed you their way.
Good luck!  I sure wish the boat industry had an aftermarket market like the auto industry.  
At $160 each, I bet you could find a machinist welder who could build you a set.
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