This is a Master kit I offer for the Professional Motorcycle Technician. The Puller tool is upgraded to the Professional Model and is for Harley Davidson CV Carburetors. Comes with a Hardened tap and 2 fuel inlet fitting and water resistant storage case If your black Plastic fitting has not cracked off it will in time. #1 REMOVE ANY BLACK PLASTIC REMAINING #2 TAP HOLE IT IS BEST TO PACK THE HOLE WITH PAPER TOWEL SO CHIPS WILL NOT FALL IN. DON'T GO PAST END OF BRASS FITTING. #3 INSTALL TOOL #4 TURN LOWER NUT AND HOLD TOP NUT STILL. #5 CLEAN AND INSTALL NEW ALL BRASS FITTING. FAST FREE SHIPPING!!!!