Plenum, Intake Manifold for 90~92 ZR-1 LT5. One(1) plenum is required per engine.

NOTE:

• This is a USED, GM OEM part. Some missing connector tubes and some modified tube locations have been threaded/tapped to 1/8"NPT. 
•  This plenum is configured for the 1991-92 model but threaded for  90deg ell fitting can be removerd and replaced with a straight fitting for 1990 model application.
• This plenum has not been ported and has no damage apart from normal handling & storage.  Black paint is smooth & in good condition.
• Examine the photos carefully for missing and/or modified vacuum and coolant tube ports.