Upper hose for the Corvette.. from 76 to early 1979...

.. the key to this one is if you have the same sizes both ends..

ie water neck and the radiator.. and the outline looks right..and the years indicated are those of your car..then this is it..

   BOTH ends are 1.25 inches ID or about 32mm.

 If you have the hose with different sizes both end..which started in 79.. then use # pw15745