Haen,
PACKAGE I : 150 cc KIT
BASIC KIT - STAGE 2 CAM
TUNED UP KIT, BIG VALVE HEAD READY - SPECIAL POWER CAM 5.8 mm lift in replacement of the Stage 2 cam
As previous, your tuned up package pair with stage 2 cam only, appreciate your opinion on the replacement as follows:
1. Black cam; or
2. Kawahara K1 280 degree; or
3. Kawahara K2 300 degree; or
4. BRT camshaft.