My D&D clutch kit is very good, at first i thought it wasn`t good until me and my friend did some test.same stud 104 1 1/2 in, i am 6 lenth easy .than i when from 23/40 to 20/39 ,
much more top end pull very hard.take off fast,i am 265 pound and my body 275.
Stuck we use to be nose to nose all the time.You always think your sled pull good until you try your body again.Call Arctic Cat racing departement and ask for f-7 set up ice 660 ft.
Just order those parts i realy want to try that.
Have fun.