OEM MerCruiser 5.0 or 5.7 Ceramic Coated Exhaust Manifold 860246a15
These are recommended for saltwater applications.
(We honestly do not think it is necesary, the E-coated hold up great and are much less! These are only coated on the outside)
V-8 305, 350 & 377 engines 1983-2002, Port or Starboard Side.
Will not work with Dry joint!