Insulating intake manifold sleeve Bing – for Bing 21 carburetor

Description

The Bing insulating sleeve is designed to connect the Bing 21 carburetor to the intake manifold. The retaining ring is positioned between the carburetor flange and the intake manifold, ensuring proper sealing and reducing heat transfer from the engine to the carburetor.

This is an original Bing replacement part, no. 66-641 / 66-641-01, providing perfect fitment, reliable operation, and long service life.

It is suitable for carburetor overhaul or servicing when a worn or damaged insulating sleeve needs to be replaced.