V6 Dry Joint Exhaust Manifold

The Sierra V6 Dry Join Exhaust Manifold helps ensure water does not enter the cylinders in the case of a gasket failure. Water is transferred from the manifold to the riser externally. Can be used with the OE riser. Interchange: Mercruiser Stern Drive 864612T01

Use With:
• 18-0720 Riser Gasket (Closed)
• 18-0721 Riser Gasket (Open)
• 18-0722 Riser Gasket (Restricted)