dont no were you live but in atlanta ga they a four locations the place is called pullapart it might have a web site they do ship . the number might be 800 pullapart ..
toyota is my fave to work on,i have my self replaced a few head gaskets.if your truck is running ok and not skipping you don't need to worry about replacing the valve gaskets or the really called valve seats.any way ,on thing to keep in mind is to make sure you got the car on top dead center...