It was a 650 h1 it has a speed werx complete big bore kit cam and stage 3 head porting job on them as well bigger valves bigger carb and it has gorrila axles and wet clutch delete pretty much everything that can be done has been done it still has stock gears at the moment but I plan to 35 inch boggers on it soon then I'll be doing something with the gears just don't know what yet but I am open to suggestions.with the 32 inch roctanes Ive had no issues it pulls good and has more torque than my commander of course it slow but it will pull hell off of the cross lol but any input guys put it on me. This is my first cat and so far I love it but it's like all the rest of them it's a money pit