Willy's Carbs rebuild kits include all the gaskets that would be replaced if they were shipped into them. Includes gaskets for both 750 and 850 carbs, so it isn't necessary to specify which one you're rebuilding. Kit Includes: Base to Body, Metering Block. Float Bowl. N&S O-ring. Idle Screw O-Ring. Squirter. Float Screw. Sight Plug & Power Valve.