I dont have mine here to look at it, but I think there is an adjuster nut on the back of the pedal on a rod. I can't remember if that is just for the height of it though. The parking brake is a PITA, and you're better off not adjusting it and just never using it.
2008 700xx; Power Bomb header with power core 4 exhaust, Power Programmer III, pro armor nerfs, prm products control front and rear bumpers and full skid, 10" ITP rears, ITP Baja's fronts, RZR 2's all the way around, Uni filter, 13t sprocket, CCP steering Damper, DS450 shock swap, Dual Gasser Throttle, bar risers and Moose barkBusters. 730XX kit plus other engine mods!