Properly performing ignition coils can provide increased ignition energy, lower fuel consumption, and reduced exhaust emissions for your vehicle Bosch ignition coils are built to achieve or exceed OE specifications and are known industry-wide for their reliability and performance Precise, corrosion-resistant connections ensure excellent electrical connectivity and lead to a long service life Efficiently supplies spark plug electrodes with the proper voltage to provide superior cold-start performance and a smoother running engine Precision engineering, high quality materials, and top quality manufacturing ensure superior temperature and vibration resistance