4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-0680 Silver Seal Products Co.

4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-0680 Silver Seal Products Co.4 Cylinder Exhaust Manifold to Head Gasket Sierra 18 0680 Combination intake & exhaust manifold gasket fits GM 3. 0L 4 cylinder marine engines with Vortec cylinder heads. Exhaust manifold gasket For GM 3. 0L engines from approximately 1991 and up with Vortec cylinder heads All intake ports are of equal size and shape Will not work with all 3. 0L engines refer to engine model and serial for correct gasket Replaces Mercury 27 815528 Replaces OMC

Replaces Seastar CC63610

0L (305 cu in) and 5

Splined spacer washer (aft):

SHERWOOD BEARING CAM 18314

Replaces Holley 3-1445

The "Chrysler Blue" paint is the signature color for these vintage engines

Macomb Marine Parts provides these authentic Piranha components to keep your vessel running at its best

CRUSADER ENGINE HOSE KIT RWC 454 22605

Blue Sea Systems Large Format Panel Label 8031

Replaces Nissan/Tohatsu 346062602M

Crusader Pump

roller lifters and 12 bolt intake mounting