Chris Craft MBL, ML, M Exhaust manifold. We acid dip all manifolds, bead blast, primer coated, pressure tested, new brass plugs, Surfaced all 4 sides. This manifold is ready to bolt on. **** Full warranty **** McCall Boat Works has many M, KL, K manifolds ready to sell. All tested and ready like this one. This one is date coded 1952. *****We also have KL Aluminum manifolds****
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