Pertronix 45011 Flame Thrower 2 Black 12 Volt Canister Coil, 0.6 Ohm 45,000 Volt, Oil Filled. This High Voltage Ignition Coil Features A Very Low Resistance Which Makes It The Ideal Coil For Pertronix Ignitor 2 Ignition Systems As Well As Many Other High Performance Ignitions. This Coil Is Compatible With Most Capacitive Discharge Boxes Including The Pertronix Second Strike #500. Flame Thrower 2 With Its Higher Voltage Allows Larger Spark Plug Gaps For Added Power, Smoother Response And Increased Fuel Economy. Oil Filled Coils Offer Heat Control For Street Driven Vehicles.