Holley Power Valve Check Ball Kit 28BK The Pro GUARD HD Fuel

The Pro GUARD HD Fuel Filters are direct OE replacements filters which utilize the factory canisters to ensure a proper fit and hassle free installation

Extra Thick Flange

12 And 16 Volt Compatible

For Race Fuels with MAXIMUM 15" Ethanol content

7903 and 7904 checking pushrods

Holley Power Valve Check Ball Kit 28BK The Pro GUARD HD FuelPower valve "blowout" protection can now be added to older model 2300, 4150 and 4160 carburetors. Consisting of a spring, brass seat and check ball, this kit will effectively protect the power valve and is easy to install. Included is the proper drill bit size, with stop, to facilitate installation. Detailed instructions are included. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup