You can use a 1 1/8" stemmed fork in the tapered head of a Stumpy with this adapter. It's a bit nicked up but NOT on the bearing surface.
Answer this post with a message if you need this part.
See this page for part # 2009-9060:
1.5" to 1-1/8" Reducer...
Mtbr's 2016 Winter Biking GearReviews and Roundups
Results 1 to 2 of 2
Thread: Stumpy tapered stem adapter