305 Exhaust Riser Gasket→Osco Generic

Part # & Price	Description
OSCCRR-G $7.00	Gasket, Exhaust Riser, for Mercruiser (OSCCRR series) Gasket, riser and spacer to manifold. Allows cooling water to pass from manifold to riser or spacer Included in Osco # CRR-MK Mounting Kit. Fits Osco # CRR-1, and Osco # CRR-3 Risers. See Illustration for installation:
OSCCRR-G-FW $7.00	Gasket, Riser, for Center Riser V8 Block Off, FWC Gasket, riser to manifold. Blocks cooling water from passing from manifold to riser or spacer. Fits Osco # CRR-1, and Osco # CRR-3 Risers. See Illustration for installation: