2" Ported AVS Carburetor Spacer

Although similar in looks, AVS (Air Valve Secondary) throttle blades differ slightly from standard 4bbl carburetors, which will result in butterfly interference and a dangerous stuck throttle. This spacer solves this issue with matching sized ports.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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