Mercruiser 860246Q11 Exhaust Mainfold E-coated small block V-8 GM (Chevy) 5.0 and 5.7-Liter engines. Econimical E-coated Mercury Marine original equipment quality manifold at aftermarket pricing. Supplied with manifold to head gasket and lower water feed elbow with drain. Fits both port and starboard side of engine. 1-Year limited warranty. Note:Manifold to head bolts are NOT included, if needed order part # 1053728 (4-per manifold).