MSD Coil Pack Ignition Coil - 0.550 ohm - Male HEI - 50000V - Black SPBXL1 From the one-piece sealed housing

From the one-piece sealed housing with a tire tread top

015") layer of Alecular material

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5/8 in Diameter Pin

MSD Coil Pack Ignition Coil - 0.550 ohm - Male HEI - 50000V - Black SPBXL1 From the one-piece sealed housingThe supplied connectors and pins are "Pull to Seat " This means that you need to insert the wire through the connector from the back, crimp the pin and pull it back into the connector for assembly. Always use proper crimping tools to ensure a proper connection. Low current draw means less demand on the electrical and charging system Built in ignitor for compatibility with Holley EFI and many other aftermarket ECU's Maximum operating voltage of 17