you might need one of these
Polished 1/4" - 28 cup-point set screws included
Corrugated Wet Exhaust and Water Marine Hose offers best performance and bend radius with its High Temp EPDM Rubber compounds
Mercury-Mercruiser 77654A2 PANEL KIT
Mercury-Mercruiser 858294T2 PISTON ASSY-PORT
Sudbury 320 Sealant, 3 oz. Tube White $21.25=+$5.71 you might need one ofA one part, fast skinning (10 minutes) and curing (1 7 days) product with superior strength, adhesion, elongation and life. Cures in temperatures from 20 to +120A F. Wet sand or paint after cure. Excellent flexibility and compression. Perfect for heavy duty service above or below waterline. Adheres tenaciously to fiberglass, wood, metal, glass, plexiglass, Lexan and other plastics. Simple clean up with mineral spirits. Not recommended for wood deck