4-stroke Performance Carburetor Swivel Adaptor made from machined billet aluminum for 49cc, 70cc, 90cc, 100cc, 110cc, and 125cc 4-stroke Dirt Bikes and some ATVs. 
This adaptor mounts up to the intake manifold. It allows the carburetor to be mounted at different angles to accomodate large performance carburetors and multiple performance parts applications. 

The Intake internal diameter can be bored out for a larger carburetor size.