Enhance your power with a velocity stack by smoothing the airflow entering the carburetors.  The velocity stacks will smooth out your airflow and speed it up forcing more air into the combustion chamber.  These stacks are 40mm in length and have a protective screen covering to prevent debris from entering the carburetors.    The mounting ID is 58mm and will fit ALL Mikuni VM30-VM34 aftermarket carburetors.  They will also work on any carburetor with a 58mm intake OD.


All stacks come with a debris screen fastened with a pliable rubber grommet and clamp for mounting.  The are made from aluminum and can be polished or anodized.  They feature the following dimensions:

• 40mm stack length
• 58mm mounting ID
• 66mm inlet ID
• 76mm overall inlet OD
• 1.0 mm material thickness
• Sold each