You are bidding on a used Edelbrock Performer intake manifold for all 1955-86 small block Chevrolet V8 cylinder heads, part number 2101.  The manifold is in good used condition, with smooth gasket surfaces and good threads in the bolt holes.   One of the thermostat housing bolt holes has been Helicoiled.   These are currently going for at least $258.00 new.  Happy bidding!