GUIDES ARE INSTALLED AND REAMED,, VALVE SEATS ARE CUT AND READY,, SO ALL YOU HAVE TO DO IS SWITCH ALL YOUR OLD HEAD'S PARTS OVER TO THIS ONE, YES EVERYTHING FITS.
OR
YOUR COULD BUY ALL NEW PARTS TOO (:
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GUIDES ARE INSTALLED AND REAMED,, VALVE SEATS ARE CUT AND READY,, SO ALL YOU HAVE TO DO IS SWITCH ALL YOUR OLD HEAD'S PARTS OVER TO THIS ONE, YES EVERYTHING FITS.