The manufacturer provides the Chevrolet Niva engine with light candles of domestic production with a 0.7-millimetre electrode. Most owners agree that the best result is the A-17dV-1 candles. Naturally, many foreign producers, such as NGK or Champion, offer substitutes, some of which really differ in quality. The choice of foreign candles is usually caused by the owner's taste and purse. For vehicles with GBT, it is recommended to use the improved iridium candles, which are more suitable for operation at temperature in the combustion chamber for gas. As an example, we can quote Denso SK20R11.