The 18-1951-1 Manifold from Sierra comes supplied with a mounting package.
It is designed for use in Mercruiser GM V8 (305 & 350 CID) engines (1977-1982).
Installation is intended for the starboard side.
Use with Sierra's 18-2949 Exhaust Manifold Gasket, 18-8548 Hardware Kit (Manifold Bolts), 18-1971 Elbow, 18-1978 Elbow, 18-4008 Block Off Plate, 18-4009 Manifold End Plate, 18-8520 Exhaust Manifold Mounting Kit, 18-8554 Exhaust Elbow Mounting Kit, 18-8556 Exhaust Elbow Mounting Kit, 18-2832-1 Manifold End Cap Gasket, and 18-2832-1-9 Manifold End Cap Gasket.
The manifold includes (1) Sierra 18-2949 Exhaust Manifold Gasket, (2) Sierra 18-2832-1 Manifold End Cap Gaskets, (1) Sierra 18-2833 Exhaust Elbow Gasket, and (1) Sierra 18-4263 Pipe Plug.
It is interchangeable with Mallory 9-40504, GLM 51238, Barr MC-1-77235, Osco 7235B, HGE 7235, and Mercruiser Stern Drive 77235A2 and 77235A8.
Each Sierra product meets or exceeds the original equipment part it replaces.