HV (high voltage) E-core design yields an incredible 60, 000 volts and operates with no degradation throughout temperature ranges that surpass military specifications. The special heat sink design made from aircraft 6063 T5 aluminum efficiently transfers heat optimizing energy output for street/strip and off road applications. Flame-Thrower HV . 046 ohm coils are also compatible with most capacitive discharge boxes including our own Second Strike.Features:60, 000 voltsAvailable in three primary resistance values.Highly efficient E-core design.Vacuum potted coil body for longer life and increased reliability.Precision machined male high tension terminal and brass primary terminals.Legal in all 50 states and Canada. (C. A. R. B. E. O. #D-57-10)Warranty: 90 DaysPit Stop USA offers PerTronix Flame Thrower HV E-Core Ignition Coil - .45 Ohms - 4, 6 or 8-Cyl. Ignitor II or Most CD Ignitions 60104 at low everyday prices. Be sure to check out all of our products from PerTronix Performance Products including PerTronix Performance Products Ignition Coils.