MSD HVC II COIL -- 45,000 Max voltage, 0.016 ohms primary, 30 ohms secondary, 0.250 mH inductance, 70:1 Ratio, 2 amps peak current, 150 uS spark duration; Molded from rynite material housing and bobbin; Tested with an MSD with product number 7530 at plug gap; This coil utilizes an iron U-core design with a segmented bobbin for improved voltage distribution; For use with MSD 7 series ignition; With MSD limited warranty.