I will be runing a whole new setup this season. A friend of mine will be trying a whole new clutching combo in my sled with some new clutch components that are not yet on the market. We are going to run 22/40 gears and this should be good for 105 at 10,400 and 112 with over rev, Actualy he says it will pull 115. If this works in my sled like it worked in his race sled's at the end of last season it will be awsome. Most will not come close to pulling the gearing they have accept on ideal ice cond's so gear for what you can pull on snow and get there much quicker. It will take one good runing sled and some real hard snow to pull 112 or so. Please don't ask me about the clutch parts as i can not say at this time but if every thing works out the kit's will be for sale this fall for Apex's. kviper