Used set of steam lines.  Also called an air bleed pipe.  These are the smaller lines that couple the surge tank to the radiator and overflow tank.  They are in good condition, some of the rubber ends have the clamp dimples, but the entire engine contained coolant.  Fits the following:

92-94 LT1 Corvette ***please be advised the coolant lines differ 92-94 and 95-96!

The item in the picture is the actual photo of the item being sold.  Shipped oversize.