The stap 300 LR advance variators (628305001) changes the original advance of the car during gas operation and restores the original advance every time you have a petrol gearbox.
This device is mainly used in methane systems, being methane a fuel with a higher octane number than gasoline.
The use of the variator improves engine performance.
This device is continuously updated as it is inserted into the vehicle’s original ignition system.
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