Just received STC SA02253AK for 80" McCauley 1A170/SFC or 1A175/DM metal prop on the Sedan (all) that are running the O-300 or the C-145 Contental engine in the mail today.
The approval covers all models of both engines installed on the 15AC or S15AC Sedan; 8-hole-3/8" bolt prop flange or the 6-hole-1/2" prop bolt.
Will post pricing on new props with STC as soon as I can get the listing. Props will be a direct drop-ship to you so the cost will be minimal. They will be shipped from Wichita, KS.
Call me at (907)688-3715 or email me and I wil return call for more info and orders. Props are in stock at last check with McCauley. Wait time should be minimal.
Burl