This is for (1) lower intake manifold gasket.  There are (2) per motor.

These metal gaskets with rubber inserts go between the lower intake manifold and the cylinder head intake ports. This gasket fits the earlier style intake manifolds and head port designs.

Sold individually. 

Fits:

• 1990-1992 Nissan 300ZX (Z32)
  • NA models only
• 1990-1994 Nissan 300Zx (Z32) 
  • Twin Turbo models only
• 1993 Nissan 300ZX (Z32) 
  • Convertible models only

NOTE: Models newer than those mentioned require a different intake manifold gasket also in stock at Z1.