THIS CARB IS AS NEW AND AS SUCH CAN BE FITTED WITH TOTAL CONFIDENCE. VERY RARELY FOUND IN THIS CONDITION MANUFACTURE OF THESE CARBS STOPPED OVER 45 YEARS AGO. I HAVE SOME ALTERNATIVE CHOKES AND JETS SO MAY BE ABLE TO REVISE SETTINGS FOR YOUR REQUIREMENTS. MESSAGE ME IF YOU REQUIRE ANY OF THESE OPTIONS. PLEASE STUDY PHOTOS THAT SUPPORT DESCRIPTION.