Rochester 2GC, 2 barrel marine carburetor flange gasket. This is a three hole gasket. Coated with black nitrate, which helps keep fuel from leaking through the gasket. This is one of two possible gaskets for the engines below.
MCM MIE 470 w/224" 3.7L engine
MCM MIE 485 w/351" 5.8L engine
Includes but not limited to:
7045197, 17057132 (1376-5990A1)