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Mercury Marine 866178A02 Exhaust Manifold Conversion.Fits: Mercury Marine 496 cu.in. (8.1-Liter) GM (Chevy) engines. Manifold is cast iron and (internally ceramic coated).
This cast iron exhaust manifold replaces the original aluminum manifold with separate water rails. This kit ...Mercury Marine 866178A02 Exhaust Manifold Conversion.Fits: Mercury Marine 496 cu.in. (8.1-Liter) GM (Chevy) engines.
Manifold is cast iron and (internally ceramic coated). This cast iron exhaust manifold replaces the original aluminum manifold with separate water rails. This kit will replace either manifold.
To accommodate replacement of either manifold, parts are included that will not be used. The manifolds may be replaced individually. Using a cast iron manifold and an aluminum manifold on the same engine is acceptable.
Carefully inspect all exhaust components.
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