Holley Carburetor Power Valve Block Off Plug w/ Nylon Reusable Gasket

two Plugs and Gaskets

1/2-28 Thread

Includes High Quality Reusable Nylon Gasket

This Power Valve Plug Will Block The Power Valve From Enriching The Carburetors Main Circuit. In Most Cases You Will Need To Increasing Jet Sizes, we have plenty of sizes available, please check our store.

These Work With Holley Model 2300, 4150, 4160 & 4500 Series Holley Carburetors

Also Works With Similar Style AED, Quick Fuel, Barry Grant, Street Avenger & Demon Style Carbs