Flush Mount Stainless Steel Fuel Vents - by ATTWOOD Select (See Table Below):Straight Vent Hose Size 5/8" ID Max Hull Thickness 7/8" Installation Hole Size 1 3/8" 66031-1 66031-3 Description: SOUND ISOLATION (LEFT)

Description: SOUND ISOLATION (LEFT)

150HP E150STLCCA 1988 Engine Cover - Johnson

35HP E35KLEUR 1997 Gearcase

from the single segment shown above

30HP E30R4SIC 2001 Flywheel

Flush Mount Stainless Steel Fuel Vents - by ATTWOOD Select (See Table Below):Straight Vent Hose Size 5/8" ID Max Hull Thickness 7/8" Installation Hole Size 1 3/8" 66031-1 66031-3 Description: SOUND ISOLATION (LEFT)Enhanced 316 Stainless Steel Alloy Flush Mount Fuel Vents On the exterior, they have a smooth edge over the competition. Unlike some others, there is no protruding cap to cause damage or be damaged by hull bumps or scrapes. Cap unscrews with hex head wrench for easy cleaning of filter and pressure testing of entire fuel system. Includes two silicone gaskets. Description Hose Size Max Hull Thickness Installation Hole Size Bulk Packaging Aftermarket