I really would replace the whole kit,they are already gonna be in there to replace the TB,it shouldnt cost anymore labor to do the rest,otherwise later on down the road your gonna pay for that labor again to replace the worn disk,then you know for sure your gonna be good to go for 50k-100k miles again.besides just because it all looks good now doesnt mean that 6months down the road that a clutch spring wont break,pressure plate finger wont bend,ect,ect....its not that much more for the whole kit where as later it will be the price of the kit+the labor all over again.Thats just my opinion.