Mikuni Velocity Stack Set - 55mm ID

Velocity stacks improve the air flow into the carburetor to increase induction efficiency and increase horsepower on racing engines where air filters are not required.  Shorter length stacks are going to be better suited for top end power, while longer will have better low RPM power.  Sold in sets of 4.

• Aluminum
• Include clamps
• Different sizing accommodates for different tuning characteristics as well as chassis clearance.
• Typically used on RS series carburetor racks.
• 55mm ID