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Holley Power Valve Check Valve Kit

Holley Power Valve Check Valve Kit
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Power valve blowout protection can now be added to pre '92 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.