Eases the installation of a velocity stack on an S&S ‘E’ or ‘G’ carb-equipped Evolution® Big Twin engine. Includes velocity stack, enrichener assembly and an adjustable carburetor support bracket that mounts from the bottom manifold bolt to the center case bolt between the cylinders. Choose short (2.5”) or long (4”) velocity stack.


Not legal for sale or use in California on any pollution controlled motor vehicle.
Not legal for sale or use on any EPA pollution controlled motor vehicle.

Weight 1 lbs

Emissions Compliant

Fuel / Air

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