THIS IS A OEM REPLACEMENT PART WHICH IS MUCH BETTER THAN ALL OF THE AFTERMARKET ONES WHICH ARE  MFG OVERSEAS WHITH CHOP STICKS. PLEASE TAKE NOTE THAT THERE IS NO NEEDLE VALVE IN THE KIT. IT IS NOT INCLUDED FROM THE MFG. IT IS ADDITIONAL PART THAT YOU HAVE TO PURCHASE IT FROM  THE MFG.  MERCURY THEY HAVE NEVER INCLUDED THE NEEDLE VALVE IN THE CARB REBUILD KIT. THERE IS MANY DIFFERENT APPLICATIONS THIS KIT IS USED ON. THIS A OEM PART. PLEASE MAKE SURE THIS IS THE CORRECT PART FOR YOUR APPLICATION. ABSOLUTELY NO RETURNS FOR A REFUND SORRY I'M NOT AMAZON OR WALMART PURCHASE SHIP OPEN TOUCH THEN RETURN. WILL SHIP USPS MAIL