This Exhaust Riser Gasket are for MerCruiser Wet Joint 2.5L 3.0L Stern Drives Fits MerCruiser MCM 120 (1993 and newer), 140/3.0L, 470, 165 in-line 6 cyl., GM V-8 small block (1982 and older) and Ford V-8 Engines Replace: Mercruiser Stern Drive 27-52076, 27-99777, 27-997771, 27-997772, 27-99777B2, Sierra 18-2833-9, Barr MC472799777, GLM 31520, Mallory 9-61407, Osco 52076 Package Include: 4 pcs Exhaust Elbow Gasket 27-99777, 27-997771 Please confirm the compatibility and OEM number carefully, any problem can contact us and we will get back to you ASAP

SupremeMarine 4 pcs Exhaust Elbow Gasket for MerCruiser MCM 120 140 2.5L 3.0L V8 Stern Drives

Fits:

MerCruiser 2.5L 3.0L Stern Drives

MerCruiser MCM 120 (1993 and newer), 140/3.0L, 470, 165 in-line 6 cyl., GM V-8 small block (1982 and older) and Ford V-8 Engines

Replace: 

Mercruiser Stern Drive 27-52076, 27-99777, 27-997771, 27-997772, 27-99777B2

Sierra 18-2833-9

Barr MC472799777

GLM 31520

Mallory 9-61407

Osco 52076

Package Include: 

4 x Exhaust Elbow Gasket 27-99777, 27-997771