Adjustment screw set, suitable for the derivatives of the Keihin PWK carburetors with small body (24mm - 26mm - 28mm - 30mm) from Stage6, Motoforce, Koso, OKO, etc. Contains both the air screw and the idle screw. Incl. the springs and O-rings / seals behind it. Attention: The idle screw of this set has an M4 thread, therefore not suitable for original [...]