Gasket. NLA. (No Longer Available)
Mercury part# 27-80571M
Fits:
20C (thru prop exhaust) 6A9-250820 & Up - USA
30A (689-411947 Thru 689-550100 - USA
25C (thru prop exhaust) 695-000101 Thru 023895 - USA
695-3000101 Thru 318173 and 695-550101 Thru 555959