PVL analogue racing ignition for Inline-Twin cylinder engine (180°). PVL Analogue ignition Inline-Twin cylinder engine. The ignition works independently of the battery. And generates the spark itself. The coil is the brain of the whole system. This ignition doesn't re-charge the battery! Can be used universally on various engines. Pistons move in opposite directions. One goes up and the other down. 1st coil + spark plug cap. 2nd coil + spark plug cap. Available with base plate in size 90 or 94 mm. Works on both type of motors. With centre hole in size 8 mm. You will need...