i did a quick search and found it at auto zone online, HA590018 $307 for the non abs SP580102 right abs SP580103 left abs at $362
i got my non abs hubs from the city sales desk for the distributor for the local chevy and dodge dealers (certain year chevys are the same but i am not sure of the exact range, mine were labeled chevy 3500) for my 2wd C&C (which uses 4wd hubs) a year ago for $225-250 i can't remember exactly, but i am a shop and got jobber pricing