... growth period, to reduce transmission loss, so that the engine ignition system, under any circumstances can achieve the best for ... non turbo engines. RACING MAX SPEED Ignition Amplifier features:1, to enhance the engine low-, medium speed torque; 2, ... phenomenon;5, eliminating coke, extend engine life; 6, heat resistance, waterproof design. Universal ignition amplifier engine 3 4 6 cylinder (Black , ...