Sequential CNG Kits are gaining popularity these days and have much better option for cars.
Sequential CNG kits can be installed in all modern petrol cars euro3 and above.
For example cars like Wagon-R, support above system but kits are more expensive than conventional CNG kits
Benefits of sequential are many folds. You can get much better CNG injection with result better performance and mileage. Performance increase in high compressed engines.
These kits are much more expensive because of the better performance and quality.
Robin CNG Malviya Nagar install sequential kits very easily.