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Twin Cam Hop Up Tech Stock Valve Guides

4. John airhammered out the stock valveguides. Then he placed a dummy valve into the empty valve guide cavity and welded the valve seat so that it shrinks in size and it's easily tapped out with a hammer.
Twin Cam Hop-Up

 4. John airhammered out the stock valveguides. Then he placed a dummy valve into the empty valve guide cavity and welded the valve seat so that it shrinks in size and it's easily tapped out with a hammer.  View Related Article

 

 

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