"STEFANELLI" LPG SYSTEM HISTORY

Since always a leader in the production of traditional LPG and CNG auto gas conversion systems, today "Stefanelli" offers a new point of reference for the worldwide production of LPG sequential injection systems. Having modernized its operating and productive structures, "Stefanelli" has maintained its fundamental principles: QUALITY, RELIABILITY AND INNOVATION.

These inspiring principles together with the great cohesion of a group of professional experts with 30 years’ experience have always allowed "Stefanelli" to look to the future with confidence and to confront with determination the ever-changing demands of the market influenced by the constant development of motor vehicles technology and by more and more restrictive anti-pollution regulations.

All this can be translated into dynamism and synergy where the company’s instruments and technologies are constantly increasing and are being constantly improved due to the free flow of information among all of the company departments, giving immediate shape to the designers’ ideas which are motivated by clients’ needs and distributors’ requests. It is to respond to the market demands and to satisfy its clients’ needs that "Stefanelli" designs and manufactures complete kits or personalized components, placing its own know-how at the disposal of the customer.

S.I.S. is a gas-fuelled sequential injection system that can be adapted to all kinds of cars from 3 up to 8 cylinders with electronic fuel injection (full-group, semi-sequential and sequential). The system can be adapted to both normal-aspirated and turbo engines.S.I.S. is a product of the latest generation, easy to install and just as easy to service. It is equipped with excellent electronic management which is supported by efficient and extremely precise mechanics. Its reducer, apart from being compact and easy to fit into the engine compartment, delivers fuel to the electro-injectors at a constant pressure.

The Central Unit (ECU) processes and converts all the petrol ECU signals so as to adapt them for the LPG use, guaranteeing performance equal to that of a petrol-fuelled vehicle and avoiding the irritating OBD diodes switching on. Connections reduced to minimum, simple and quick installation, absence of mechanical irregularities, precision and reliability of the electronic parts all render S.I.S. (LPG Sequential Injection System Stefanelli) one of the most efficient and durable auto gas conversion systems on the market.