Datsun 240Z carburetor rebuild kit.. New Made in Japan carburetor kit for 2 carbs. Will fit Datsun 240Z with stock Hitachi SU carbs (round tops) 1970-73. Includes (2) M43 needles and (2) N54 needles. Correct needle and seat assembly with M6 threads. What you see in the picture is what you will get in the kit.