Sierra 18-4392 Mercruiser Intake Manifold Gasket SetSierra high-quality engine parts are designed to meet OEM specifications. Fits MCM/MIE GM V-8 (305 & 350 CID) engines (1986 & older); Set Includes: (10) 18-0518 Valve Stern Seal; (1) 18-0868 Intake Manifold Gasket Set; (2) 18-0872 Exhaust Manifold Gasket; (1) 18-2553 Thermostat Cover Gasket; (2) 18-2554 Thermostat Cover Gasket; (1) 18-2844 Thermostat Gasket; (2) 18-2845 Valve Cover Gasket; (2) 18-2848 Carburetor Base Gasket; (1) 18-2917 Thermostat Gasket; (2) 18-3876 Head Gasket; Interchangeable with: GLM; 39690; Mercruiser Stern Drive; 27-75611A2; 27-75611A1; Mercruiser Application: 228 4 BBL GM 305; 1979-1982; s/n 5170009 thru 6218461; 228 MIE 4 BBL GM 305; 1979-1980; s/n 5170009 thru 5907057;