Jansrud, riding with Swix poles, won in the first of two downhill races here two days ago as well as a Super-G back in 2012, finished 26/100 of a second ahead of Kueng and 33/100 in front of Olympic downhill champion Matthias Mayer of Austria.
Aksel Lund Svindal came in 4th
Another Norwegian, Aksel Lund Svindal, came in 4th - good enough to secure his third consecutive crystal globe in the specialty and increase his lead in the overall standings over Austria's Marcel Hirscher, who didn't compete in Norway.
Svindal, a two-time overall World Cup champion in 2007 and 2009, leads now by 1,032 points against Hirscher's 955 points.
Six races left
There are six races left on the 2014 calendar - two technical events at Kranjska Gora next weekend and four competitions in all four specialties at Lenzerheide.