Ok, the pieces are casting # 7747715, odd that it is the same # as Johns trimxx repro..length is correct per Banshees measurement. Sure they were original tho as I took a long time bringing tjhem back.

Now looking closely it appears the holes are out... WTF..? I am sure the gill sheet metal is original and the previous photo after the sheet work was done clearly showed the splice aft of the gills...now I'm stumped.

Any ideas? looks like either I drill the holes to relocate or grind off some of the gill....don't think the latter will work tho.