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Mercruiser 6 cyl inline MANIFOLD *
Mercruiser 6 cyl inline Manifold Osco MO618-55 160hp

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Manifold Assembly. Fits 250 cu.in. GM in-line six cylinder engines equipped with Mercruiser riser#’s 39920 or 55538. Includes items 1a through 1g and mounting hardware. Does not include manifold to cylinder head gasket.

SKU: OSCMO618-55
Price: $651.70 


Quantity:   

RISER MERCRUISER #55538
RISER MERCRUISER #55538		 Gasket, manifold to engine cylinder head. Replaces Mercruiser # 27-46401.
Gasket, manifold to engine cylinder head. Replaces Mercruiser # 27-46401.		    

Osco Mercruiser Riser, 3
Osco Mercruiser Riser, 3" exhaust outlet, 0º down angle.		 Spacer, 3
Spacer, 3". Fits FL994 manifold. Replaces Barr # 20-0097		 Riser Adapter. Adapts 5538 riser to MO618 manifold.
Riser Adapter. Adapts 5538 riser to MO618 manifold.		 Gasket, manifold to cylinder head.Small Block GM
Gasket, manifold to cylinder head.Small Block GM