Well, I ordered me a 44t rear sprocket for the Blaster to help get lower gearing to lug my butt around the dunes. With the stock set-up I am always topped out in 3rd or lugging halfway through 4th. I hope this helps as it is @10% lower gearing (my goal is to gear so that 6th gear is useable on the flats). I may have to go to a 12t front to make 6th useable- but I do not know. Will this require any changes to my Blaster- chain or skidplate? I may go back to stock gearing if when I get my new engine it will top out in 6th gear. Any thoughts on the subject would be appreciated.