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  • Holley Performance Parts – EFI, Intakes, & More LS2 HARNESS, automotive wiring harness with multiple connectors and wires for engine management system.

    Holley Performance Parts – EFI, Intakes, & More

    LS2 HARNESS

    Product

    MSRP: $731.95
    $649.95
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  • Holley Performance Parts – EFI, Intakes, & More LS1 HARNESS, automotive wiring harness with multiple connectors and colorful wires for engine management systems.

    Holley Performance Parts – EFI, Intakes, & More

    LS1 HARNESS

    Product

    MSRP: $731.95
    $649.95
    Add to Cart The item has been added
  • Holley Performance Parts – EFI, Intakes, & More TPI/SR HARNESS, automotive engine wiring harness with multiple connector cables.

    Holley Performance Parts – EFI, Intakes, & More

    TPI/SR HARNESS

    Product

    MSRP: $731.95
    $649.95
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  • Holley Performance Parts – EFI, Intakes, & More SENSOR AND PIGTAIL, automotive sensor and pigtail wiring connector with wiring harness.

    Holley Performance Parts – EFI, Intakes, & More

    SENSOR AND PIGTAIL

    This sensor is designed to trigger from a ferrous metal (magnetic steel) target, such as Holley's 60?????2 crank trigger wheels. It can also be used for a cam sensor trigger and other applications.

    MSRP: $188.95
    $167.95
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  • Holley Performance Parts – EFI, Intakes, & More HOLLEY EFI DOMINATOR ECU ONLY, black vehicle management system ECU with branding

    Holley Performance Parts – EFI, Intakes, & More

    HOLLEY EFI DOMINATOR ECU ONLY

    Dominator¨ EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited highÐend racing applications. Dominator¨ systems have nearly unlimited capabilities to control any power adder, input, or output you...

    MSRP: $2,699.95
    $2,399.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley HP EFI HP ECU, black engine control unit with connection ports and branding label.

    Holley Performance Parts – EFI, Intakes, & More

    Holley HP EFI HP ECU

    Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI...

    MSRP: $2,306.95
    $1,999.95
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  • Holley Performance Parts – EFI, Intakes, & More BOSCH SENSOR, automotive sensor with wiring harness and connector

    Holley Performance Parts – EFI, Intakes, & More

    BOSCH SENSOR

    Product

    MSRP: $230.95
    $199.95
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  • Holley Performance Parts – EFI, Intakes, & More NTK SENSOR, automotive engine sensor with wiring connector

    Holley Performance Parts – EFI, Intakes, & More

    NTK SENSOR

    Product

    MSRP: $415.95
    $368.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley HP EFI Plug and Play ECU and Harness kit for GM LS2/LS3/LS7, includes NTK O2 sensor, electronic wiring harness, ECU unit, and installation accessories.

    Holley Performance Parts – EFI, Intakes, & More

    Holley HP EFI Plug and Play ECU and Harness kit for GM LS2/LS3/LS7 -NTK O2 sensor

    Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as...

    MSRP: $3,341.95
    $2,969.95
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  • Holley Performance Parts – EFI, Intakes, & More HP ECU AND HARNESS, LS2/3/7, BOSCH INJ, automotive wiring and electronic engine control units for LS engines.

    Holley Performance Parts – EFI, Intakes, & More

    HP ECU AND HARNESS, LS2/3/7, BOSCH INJ

    Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as...

    MSRP: $3,059.95
    $2,719.95
    Add to Cart The item has been added
  • Holley Performance Parts – EFI, Intakes, & More Holley EFI HP ECU AND HARNESS, Universal Ford V8 Multi-Point -NTK 02 Sensor, image shows an automotive engine control unit with wiring harnesses, sensors, and accessories for vehicle tuning and engine management.

    Holley Performance Parts – EFI, Intakes, & More

    Holley EFI HP ECU AND HARNESS, Universal Ford V8 Multi-Point -NTK 02 Sensor

    Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as...

    MSRP: $3,228.95
    $2,869.95
    Add to Cart The item has been added
  • Holley Performance Parts – EFI, Intakes, & More Holley EFI HP ECU AND HARNESS, Universal Ford V8 Multi-Point, automotive wiring harness and electronic control unit with connectors and accessories.

    Holley Performance Parts – EFI, Intakes, & More

    Holley EFI HP ECU AND HARNESS, Universal Ford V8 Multi-Point

    Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as...

    MSRP: $2,936.95
    $2,609.95
    Add to Cart The item has been added
  • Holley Performance Parts – EFI, Intakes, & More Holley EFI HP ECU and Unterminated Harness - NTK O2 Sensor, automotive wiring harness and components for engine control and tuning.

    Holley Performance Parts – EFI, Intakes, & More

    Holley EFI HP ECU and Unterminated Harness - NTK O2 Sensor

    Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as...

    MSRP: $3,228.95
    $2,869.95
    Add to Cart The item has been added
  • Holley Performance Parts – EFI, Intakes, & More ECU & HARNESS UNTERMINATED, automotive electronic components including wiring harnesses, ECU, connectors, and various installation parts arranged on a white surface.

    Holley Performance Parts – EFI, Intakes, & More

    ECU & HARNESS UNTERMINATED

    Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI...

    MSRP: $2,936.95
    $2,609.95
    Add to Cart The item has been added
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