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SIERRA GASKET SET MERCRUISER EXHAUST MANIFOLD (S18-4367)

SIERRA GASKET SET MERCRUISER EXHAUST MANIFOLD (S18-4367)

SIERRA GASKET SET MERCRUISER EXHAUST MANIFOLD

$ 86.90 $ 86.90

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Replaces 27-99777A1
For GM 153 & 181 (2.5 & 3.0L) CID Engs; 120 & 140 HPS/N 6229718 & UP (With Siamese Port Cylinder Heads)