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.

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.