These get a good rap on a Harley forum in the USA ,,, He is also a sponsor on there site .... Have never used them , and I dont personally know anyone that has ,,, but the price I must say got me looking ...... I know the old story ,, you get what you pay for,,, and, you dont wont to be the test bunny ..... But !!!!!  http://www.larrysmotorcyclemachine.com/lifters.html

I put a set of the 2313-SE in my 120 special when I last changed Cams.
Not a lot of KM's on them yet.