... coils magnetization time, increase secondary voltage (12V to rise to 16V), spark growth period, to reduce transmission loss, so that the ... the engine horsepower, fuel-saving 5% -15% year on year; 3, burning completely, to reduce exhaust emissions; 4, to reduce or ... life; 6, heat resistance, waterproof design. Universal ignition amplifier engine 3 4 6 cylinder (Black , bule ,red)