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Weber Venturi (Chokes), 45DCOE Carburetor

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These venturi will fit the Weber 45DCOE only. Sold individually.

What size do I need?

The venturi size is the first step (after choosing the carburetor) in tuning a Weber carburetor to your application. It is tempting to use the largest size for the most airflow, but this can hurt performance. Too much airflow impairs low-end driveability. In fact, the car may not start or idle at all. And remember that the engine has a limit to how much air it can use. Feeding it more will not produce more power.

The book Weber Carburetors by Pat Braden (Part No. 5326) includes venturi selection charts based on engine capacity, use, and RPM.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.


Weber 45DCOE Venturi, 32mm

$23.49In Stock


Weber 45DCOE Venturi, 34mm

$23.49In Stock


Weber 45DCOE Venturi, 36mm

$23.49In Stock


Weber 45DCOE Venturi, 38mm

$23.49In Stock


Weber 45DCOE Venturi, 40mm

$23.49In Stock
Related Product Groups
Weber DCOE Parts & Jets