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Velocity Stack for High Performance Carbs for Scooters and Motorcycles
Velocity Stacks add air in the correct amount and velocity to run high performance carbs which are larger than your stock carb.
Use a velocity when add a performance like a flat slide or OKO 21mm- 28mm for scooters and 30mm on motorcycles.
This is a 50mm stack so carb has to be certain ones with intakes that accept.
48 Lower States Only