Fits Harley-Davidson motorcycles (and others) with S&S Super E or G Carburetor

Designed for use in both stock enclosed primary drives and custom open belt drives

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Included are one air / fuel mixture screw

Load/Speed Index: 54P

2.5 inch Velocity Stack for S&S Super E/G Carburetor Center Hole_2.2" Fits Harley-Davidson motorcycles (and others)If you are looking for maximum airflow for your S&S Super E G carburetor, this is the way to go. Made in the USA and a perfect fit for their carbs, these velocity stacks, sometimes known as air horns, come with everything you need to install it. Kit includes: air horn, three mounting screws, carb support bracket (bracket connects the center crankcase bolt to the bottom manifold carburetor mounting bolt), two longer bottom carb to manifold mounting