1979 GMC P1500 Engine: 7.4L V8; 4 Bore Gasket; Open plenum;. Part Type: Carburetor Mounting Gasket. Carburetor Gasket. Compatible Years: 1979. Notes: 4 Bore Gasket; Open plenum;. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
