I searched the archives and there are those who are happy with the GoWesty plastic coolant line repair kit.  
However, I still like to hear the pro's and con's vs stainless pipes (Other than cost). 

I was set on the Go Westy kit, but I noticed that the brass pieces do not actually replace the metal insert, 
which is what I first thought the kit was doing.   

GoWesty claims this kit is on every van they sell.  If I were spending $30K+ for a van or  
I had a syncro that I off-roaded, I personally would go with stainless pipes. 

John 
LiMBO