Its time for a little more horse in my 07 600 rmk. Looking at a 685 Carls, 727 slp and the 694 Precision Performance. Would love to go to the 860 Carls, but don't have that kind of coin to spend right now. Anyone running any of these?
You might want to post this in the Polaris Forum, if you would like some feedback. But I will tell you that the 660 kit or the 685 kit will give you some sore arms and shoulders. Not to mention good reliability.
-T
660 and 685 have great hp numbers and run very reliable, but as for torque just wont have it if you need to point her up hill and pull, the 727 pulls the hardest, and unless you have a 08 i do not believe you can do the 860 because the bottom end is wrong. either way they are all great choices, but if you are going to shell out three grand and end up having to run race gas, save for a few more weeks and turbo it. hope that helps out
