HI CHRIS THIS IS A VERY EASY SWAP AND IF YOU USE THE LATE MODEL 93-97 RODEO BRAKE HOSE FOR THE FRT IT IS A COMPLETE BOLT ON SITUATION, THEY WILL REALLY HAUL THE TROOPER DOWN EASIER, HAVE BEEN DOING THIS UPGRADE USING ALL STOCK PARTS SINCE 93 , AND SORRY THE REARS ARE NOT INTERCHANGABLE AS THE CALIPER BRACKETS ARE WELDED TO THE HOUSING, THE ONLY EASY WAY TO GET THE LARGER REAR BRAKES IS TO USE THE 93-97 RODEO REAR AXLE ASSY AND IT IS A BIT WIDER THAN THE EARLY TROOPER AND OF COURSE IT IS A DANA, ONE OTHER SOLUTION IS TO FIND A 94 AMIEGO , IT CAME STOCK WITH THE LARGER BRAKES FRT AND REAR ,,JERRY