Replaces OEM part # For:
Mercruiser V-6 & V-8 applications 0° (3" O.D. Riser)
Comes with 18-0897 gasket & brass plugs
Fits Manifold: 18-1957-1
Use Elbow Gaskets: 18-2849, 18-0897, or 18-0672
Use Mounting Kit: 18-8529 (Do not use with spacer)
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