I didn't need one for mine cause I had my rad built with the heater hose provision built in to it.
The heater hose goes in the bottom rad hose, but if you have an lt1 then the rear vent hose would go in the top.


1950 Chevy p\u 3100. lt1 Corvette powered.
Owner\ autoglass unlimited/Ultra Clear Body Shield
Cowboys creo: taste your words before you spit them out
http://s202.photobucket.com/albums/aa180/getm24_2000/