THIS IS A USED  14H  KEIHIN CARBURATOR NEEDLE MIXTURE SCREW AND SPRING FROM A HONDA 1971 CB450 K4 MOTORCYCLE.      ITS IN GOOD WORKING CONDITION.    CHECK YOUR PART NUMBER AND LOOK AT PHOTO CLOSE TO MAKE SURE THIS IS THE ITEM YOU NEED.    YOU GET WHATS IN FIRST PHOTO.    (parts lot B)  IT WILL FIT.   

  CB450K1 A MOTORCYCLE, JPN, VIN# CB450-3000001 TO CB450-3008955