3M 83681 Stikit 260L P1200 Grit 5" Sanding Finishing Disc 100 Piece Cooling System & Hoses This is the fuel petcock

This is the fuel petcock and filter assembly from that engine

Mercury 35hp - 4cyl & 2cyl (1963-1969 & 1984-1989) KB-2A / KC-4A / KC-8A / KC-9A / KC-9B / KC-9C / KC-13A / AJ-54A

Bracket: 305244

Found on All OMC Stringer GM 120hp 2

3M 83681 Stikit 260L P1200 Grit 5" Sanding Finishing Disc 100 Piece Cooling System & Hoses This is the fuel petcockItem Details 3M 83681 "Stikit" 260L 5" inch Diameter Sanding Finishing Disks No Hole P 1200 Grit (Super Fine) Aluminum Oxide Box of 100 Other Details New Old Stock (from a now defunct boat manufacturer) This has some shelf wear so the packaging condition will look similar to what is photographed here. Purchase with confidence!