CNG sequential injection system,
ECU kits/reducer/high pressure tube/injector rail/manometer
Switch/advancer/emulator
CNG kits means CNG Sequential injector system. It includes many parts. As below:

1. CNG Reducer
2. Injection rail
3. The connect nozzle of rail
4. CNG Filter
5. Intake nozzle
6. Computer ECU
7. MAP Sensor
8. CNG pressure sensor
9. CNG high pressure tube

10. Switch
11. Low pressure tube
12. Petrol pump Relay
13. Water temperature sensor
14. Gas temperature sensor
15. CNG filling valve
16. CNG high pressure Valve
17. Curve tube and the nozzle of floor
18. The bag of parts.