An internal combustion engine having a main combustion chamber, a first prechamber, a second prechamber, a first ignition plug and a second ignition plug. The main combustion chamber is in fluid communication with a first prechamber and a second prechamber. The first ignition plug is disposed in the first prechamber for igniting a charge in the first prechamber to form a first flame jet directed into the main combustion chamber. The second ignition plug disposed in the second prechamber for igniting a charge in the second prechamber to form a second flame jet directed into the main combustion chamber. The first flame jet and the second flame jet overlap in the main combustion chamber.