The O.M.V.L. Dream XXI gas injection system previews the installation of a metering device. This device has been developed as a rail unit integrating four injectors. Its function is to modulate the gas quantity to every single cylinder, so it must be necessarily installed very closed to the engine intake manifold, where gas nozzles have to be installed.

Important: The injection unit position, must be such that the rubber connecting hose length is exactly identical and not longer than 300mm.