Holley

  • GM 58X EFI HARNESS KIT

    GM 58X EFI HARNESS KIT

    An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes...

    $699.95
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  • DOMINATOR EFI AUXILIARY HARNESS

    DOMINATOR EFI AUXILIARY HARNESS

    Used when adding a second wide band oxygen sensor to a Dominator EFI installation. Features: J2A Connector #2 Wide band oxygen sensor harness (Fully Terminated) 23 user programmable input wires with...

    $195.95
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  • HOLLEY EFI 2 AXIS G-METER

    HOLLEY EFI 2 AXIS G-METER

    Introducing the Holley EFI 2 Axis G-Meter. Designed to be stable in the harshest environment. Co-Designed with RACEPAK, this G-meter would be a perfect fit for your four digit horsepower drag radial...

    $342.95
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  • HOLLEY EFI 8 CHANNEL CAN EGT KIT

    HOLLEY EFI 8 CHANNEL CAN EGT KIT

    Introducing the Holley EFI 8 Channel CANBus EGT Kit. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged edge. Knowing the exhaust temperature of each...

    $1,299.95
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  • J1B CONNECTOR

    J1B CONNECTOR

    Introducing J1A through J4 Connectors Kits so you no longer have to buy a complete connector kit if you only need one I/O connector Features: OEM Quality Connectors and Pins Perfect for DIY or...

    $35.36
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  • J1A CONNECTOR

    J1A CONNECTOR

    Introducing J1A through J4 Connectors Kits so you no longer have to buy a complete connector kit if you only need one I/O connector Features: OEM Quality Connectors and Pins Perfect for DIY or...

    $35.36
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  • GM LS 58X EFI HARNESS KIT

    GM LS 58X EFI HARNESS KIT

    An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes...

    $726.95
    Add to Cart
  • HP SMART COIL HARNESS

    HP SMART COIL HARNESS

    HP Smart Coil ignition sub-harness. Includes a pair of coil harnesses for an 8 cylinder engine. These harnesses are similar in design to factory GM LSx coil harnesses, but plug into Holley HP Smart...

    $186.95
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