MSD 82858 Multiple Spark Coil, (Set of 8) PN 82858 LS Coils @ 14 Volts Turns Ratio 56:1 Primary Resistance .73 ohms Secondary Resistance 3.7K ohms Inductance 3.6 mH Secondary current (mA) 124 mA Spark duration (mS) 1110 us Energy (mJ) 93 mj Maximum Voltage 40KV