exactly monty's don't have it only trucks.it ads more rear brake bias as more lb's are added to the back.kind of a cheap anti lock in a way.the more weight in the back the more it lets the rear brakes work because there is less of a chance of lock up.montys don't have it because you generally wont put as much in the back as a truck.

87 dodge power ram 50,35" tires,5 1/2" total lift,4.6 gears,lockers front and rear,Rancho RS5000's,custom front bumper,custom rock sliders,cct extended diff breathers,75 amp alt(40 amp stock),thorely header,K&N,wheeled hard...