This is a used OEM aluminum TBI intake manifold for a GM with a 5.7L V-8 engine. Part #10166133.  CHECK YOUR PART NUMBER TO ENSURE THAT THIS IS THE CORRECT APPLICATION. Needs a good cleaning.  I do not have any history on this part/these parts. 20% restocking fee on returns.   Part number is provided so that you may check with your dealer to insure that this is the correct application for your vehicle or Google for more information.  All items are wrapped and packaged for shipment.  All items listed as "used" will be somewhat dirty and will need to be cleaned. Sold in "as-is" condition.   R15/BB1350