MSD BLASTER 3 COIL, RED -- 0.7 ohms primary resistance, 4.5K ohms secondary resistance, 45,000 maximum voltage, 8 mH inductance, 140 mA peak current, 350 uS spark duration, 100:1 ratio; Comes with a 90 degree spark plug style terminal and boot; Metal canister is filled with premium grade oil for cooling; Guarantees improved output coil for electronic ignitions and MSD Ignitions; Features extra tall secondary tower for secure coil wire connection; CARB E.O. approved; With MSD limited warranty.