well man basically depending on wether or not its a dual cam or single cam locate the cam gear/gears its the belt in the cogs of the gears all they are going to do is replace that and probably the tensioner at the bottom of the block. we changed a timing belt in on my b16 in 2 hrs in my garage its just tedious work you have to make sure everything is top dead center (there are marks on the gears and your block to signify this) or your screwed!!! well at least for interference motors like a honda.
