Equipped with particularly fine iridium firing pins at center and ground electrode: Bosch Double-Iridium Pin-to-Pin spark plugs are developed to the same high quality as original equipment and engineered for high ignitability and energy transmission in gasoline engines.
Equipped with iridium firing pins at the center and ground electrode: Bosch Double-Iridium spark plugs are developed to the same high quality as original equipment and engineered for high performance in gasoline engines.
Equipped with platinum firing pins at the center and a ground electrode: Bosch Double-Platinum spark plugs are developed to the same high quality as original equipment and engineered for high performance in gasoline engines.
Equipped with an iridium firing pin at the center electrode: Bosch Iridium spark plugs are developed to the same high quality as original equipment and engineered for high performance in petrol engines.
Equipped with a ground electrode made from nickel alloy: Bosch Nickel spark plugs are developed to the same high quality as original equipment for a wide range of applications.
Equipped with a ground electrode made from nickel alloy: Bosch Nickel spark plugs for small engines are developed to the same high quality as original equipment for a wide range of applications.
Equipped with a solid silver electrode: Bosch Silver spark plugs are engineered for high performance, efficiency and a long service life in older European performance cars and leisure vehicle gasoline engines.
For strong and reliable spark energy: Bosch ignition cables transmit high voltage from the ignition system to the spark plugs with minimum energy loss.