Sierra 18-4399 Exhaust Manifold Gasket SetSierra Marine engine parts are manufactured to meet or exceed OEM requirements. This exhaust manifold gasket set is for use in Ford 302/351 CID engines.For: Ford 302/351 (5.0L & 5.8L) CID eng: All 888 (188 HP) & 233 HP, 255 HP s/n 3258728-4175498Gasket Set Contains: (4) 18-2833 Exhaust Elbow Gasket; (4) 18-2832-1 Manifold End Cap Gasket; (2) 18-0183-1 Exhaust Manifold Gasket; Interchangeable with: Barr; MC47-27-54566A1; GLM; 39310; Mercruiser Stern Drive; 27-54566A1;