Genuine Mercruiser 27-99777 2 Standard Cooling Riser Gasket
Exhaust elbow gasket 997772 is for use on 120 series (1983 and newer), 140/3.0L in-line 6-cylinder and V-8 small block (1982 and older) MerCruiser stern drive and inboard engines made by General Motors with standard cooling systems and V-8 engines made by Ford Motor Company.
Replaces - B-MC47-27-99777, 31520, 9-61407 and MC47-27-52076
