Outside Distributing Isolator Ring/Intake Manifold Spacer with Gasket - 23mm - 45/48mm Bolt Hole Spacing - 05-0622

Isolator rings and gaskets are found between the carburetor and the intake manifold on many 4-stroke units
In many cases when suffering from a lack of performance, the original isolator ring will be cracked and or the gasket will require replacement