Polini PWK Scooter Carburetor Velocity Stack - 50.5mm Bell
ITEM# TT-16419
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Description
Polini 50.5mm Bell Mouth Velocity Stack for Scooters
This Polini 50.5mm bell mouth velocity stack is made for PWK-style carburetors and is intended to help with air intake. Its flared opening is meant to reduce turbulence and support steady throttle response across the engine's RPM range. It is among the simpler scooter carburetors & jets to fit, which suits home repair work.
Airflow Improvement
The bell mouth profile of this velocity stack is designed to guide air into the carburetor more smoothly, which can noticeably benefit performance. Letting air move through more freely can support quicker acceleration and better response when the throttle is opened, so it is a useful upgrade for scooter owners focused on performance.
Installation and Fit
The included set screws hold the Polini velocity stack firmly in place. Because it is a universal part for PWK-style carburetors, it bolts on directly and can replace an existing air intake funnel without much fuss.
Specifications
- Inner Diameter: 50.5mm
- Outer Diameter: 79mm
- Style: Bell Mouth / Velocity Stack
- Carburetor Compatibility: PWK-style
- Hardware Included: Set screws
- Fits: Universal fit for PWK-style carburetors with a 50.5mm inner diameter
Fitment
Fits:
- PWK-style carburetors (universal, 50.5mm inner diameter)
How to choose: Confirm that the 50.5mm inner diameter matches the throat of your PWK-style carburetor before you order.
Shop more: Scooter Carburetors & Jets · Scooter Parts
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