You can also find the complete assemblies at http://www.southwestwheel.com/trailp...kes/brakes.htm
Their cost is $43.48 plus shipping and no tax for out of state buyers. The part number is 60208712 for the right and 60208713 for the left.
I haven't replaced my brakes yet but did buy ALCOA rims for my truck there. They are good people to deal with.