QMB139 GY6 50cc
S23 PWK Pilot Jet kit (10)
$ 22.99
PWK Pilot jet assortment, for carbs made by Koso / Keihin / Stage6 / MotoForce.
comes with jets as follows
35 / 38 / 40 / 42 / 45 / 48 / 50 / 52 / 55