3M 051131-01068 Hookit D/F P 1200 Grit 6" Hook & Loop Sanding Disc 100 Piece Boat Cleats which eventually was what was

which eventually was what was converted to a thermostat housing) used on various early MerCruiser Models outlined below:

MerCruiser 22-64425 Extension Fitting - Cylinder Block

Mercury 32406 Pinion Gear Spring

but will work for all "470" models 2BBL models 1976-1984)

All other bolts as pictured

3M 051131-01068 Hookit D/F P 1200 Grit 6" Hook & Loop Sanding Disc 100 Piece Boat Cleats which eventually was what wasItem Details 3M 051131 01068 "Hookit" D F 6" inch Diameter Sanding Disks Hook & Loop Adhesive 6 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!