jetting kit for the POLINI CP, Keihin, PWK, BGM and Stage 6 carburettors, 

The kit includes 10 main jets, with evenly ascending values (2 sizes) and 5 idle jets, also with even numbered values.

Main nozzle set with M6 thread and high hexagonal head.
Keihin Type: Type: 99101-357

Specifically suitable for:

as well as many other PWK derivatives from BGM, Stage6, OKO, Koso, etc.

This jetting set includes sizes

100-102-104-106-108-110-112-114-116-118