Industry's only Internally and Externally Electrodeposition Coated Cast Iron direct replacement exhaust products. This product is not only coated on the outside surface but on all inner surfaces including the water jacket. Fits 305 - 350 cu.in. GM small block V8 engines. Fits both sides of engine. Replaces Mercruiser #’s 87114 and 860246. Includes mounting kit with both manifold and riser gaskets as well as new mounting fasteners. Technical Information.... Product Diagram....

Save $$$ when you purchase this part as part of a kit.

NOTE: If your engine is equipped with the dry joint exhaust system (V8 serial #0m600000 and above), THIS IS THE WRONG MANIFOLD; you must purchase the Mercruiser OEM manifold.