Buy 1980 Nissan 720 STANDARD LWB 2.2L F4 2WD Engine Core Plug. Cylinder block and oil pan. Level, Gauge, HOLE - OEM Nissan Part # 11022-U6700 (11022U6700)

Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug. Plug Blind. Plug Taper, Level Gauge.
Plug that prevents the engine block or cylinder head from cracking in case of freezing coolant. Also used to plug the casting holes from production.

PLUG-BLINDPLUG