HP ECU & Harness

HP ECU & Harness

These Holley EFI HP ECU and Harness Kits give you a huge assist in getting your custom EFI installation done. By coupling the incredible HP ECU along with the power, main, ignition, injection, and other required harnesses for these popular applications, you can move forward on your project with confidence.

Note: All are available with your choice of Bosch or NTK wideband O2 sensors. Choose the Bosch sensor for applications that will never use racing gasoline or experience excessively high turbo conditions. In those cases, choose NTK.

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HP ECU and Harness Kit, GM LS1/LS6

By now you have already figured out that Holley provides unparalleled support for the various GM L..

$2,227.95 $1,904.70

HP ECU and Harness Kit, GM LS2/3/7

By now you have already figured out that Holley provides unparalleled support for the various GM L..

$2,227.95 $1,904.70

HP ECU and Harness Kit, GM LS2/3/7, Bosch Inj

Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control t..

$2,227.95 $1,904.70

HP ECU and Harness Kit, GM TPI and Holley Stealth Ram

This HP EFI ECU and Harness Kit is designed to make upgrade from the factory GM fuel injection on G..

$2,155.95 $1,842.95

HP ECU and Harness Kit, Ford Modular 2V, Jetronic Injectors

Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to accurately co..

$2,327.95 $1,990.20

HP ECU and Harness Kit, Ford Modular 4V, Jetronic Injectors

Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to accurately co..

$2,327.95 $1,990.20

HP ECU and Harness Kit, Ford MPFI

Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a re..

$2,103.95 $1,798.30

HP ECU and Harness Kit, Universal MPFI

Holley's HP ECU and Harness Kits are the perfect solution for individuals either converting a facto..

$2,155.95 $1,842.95

HP ECU and Harness Kit, Universal Unterminated

Holley's HP ECU and Harness Kits are the perfect solution for individuals either converting a facto..

$2,155.95 $1,842.95

HP ECU and Harness Kit, 2011-12 Ford Coyote, USCAR Injectors

Looking for a plug and play kit for your 2011-12 Ford Coyote engine? The HP ECU allows you to accura..

$3,219.95 $2,753.05

HP ECU and Harness Kit, 2013-2015.5 Ford Coyote, USCAR Injectors

Looking for a plug and play kit for your 2013-2015.5 Ford Coyote engine? The HP ECU allows you to ac..

$3,111.95 $2,659.95

HP ECU and Harness Kit, 2015.5-17 Ford Coyote, USCAR Injectors

Looking for a plug and play kit for your 2015.5-17 Ford Coyote engine? The HP ECU allows you to accu..

$2,166.95 $1,852.45

HP EFI ECU

The Holley HP ECU is idea for the majority of EFI applications where the advanced vehicle management..

$1,443.95 $1,234.00

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