SHIPS FREE TO THE LOWER 48 STATES New Can Am Maverick or Commander Gear Box New Can-Am GEAR BOX this is the way to reduce the over all gear ratio on your can-am 1000 running larger tires. Current Part Number- 420686654 Replaces: 420686563, 420686562 & 420685807 NEW OEM Canam Part NOT A REBUILD, ALL NEW Brand New In The Box This is the LOW RATIO gearbox for the larger style gearbox equipped machines, please ask if you are unsure about fitment. **Top speed on our 2012 Commander 1000 is 62 mph (high range) with this gearbox and stock clutching and stock size tires** Gearbox ratios, this isn’t regurgitated info, this is us counting teeth inside of the gearbox. Ring and Pinon Gears 37/15=2.467 Intermediate 45/40=1.125 High Range 36/27=1.333 Low Range 46/17=2.706 Reverse 34/12=2.833 High Range Ratio 3.700 Low Range Ratio 7.509 Reverse Ratio 7.863