Product Description
Sierra 18-1909-1 Center Rise Manifold 4" Outlet RiserSpecial Order est. 10 Days. Fits many GM & Ford center rise manifolds.Features: Material: Cast Iron; 4" outlet 7; Interchangeable With: Barr OMC-20-913784; ; OMC; 913784; 3855270; 3850456; 3857944; 3856444; Volvo Penta; 3855270; 3857944; 3863061; GLM; 51330; Mallory; 9-40911; HGE 3784; ; Includes: Exhaust Elbow Gasket: 18-0943-2; Use With: Manifold: 18-1986-1; Riser Gasket: 18-0943-1; Mounting Kit: 18-8507;