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Holley

Holley Dominator EFI ECU 554-114

$1,970.95
HOLLEY DOMINATOR EFI ECU •THIS IS FOR THE DOMINATOR EFI ECU ONLY. Dominator EFI systems are sold “Build to Order”. The following must be purchased for a complete system: ECU (includes software and programming cable), Wideband Oxygen...
Holley

HOLLEY HP EFI ECU & Harness Kits LS1 & LS6 550-602

$1,876.95
HOLLEY HP EFI ECU & Harness Kits Holley HP EFI systems are equipped with 4 programmable inputs and 4 programmable outputs that are ideal for most vehicles with a single power adder. This feature allows the user to configure the system to support a...
Holley

HOLLEY MPFI HP ECU & HARNESS KIT 550-604

$1,814.95
Holley HP EFI systems are equipped with 4 programmable inputs and 4 programmable outputs that are ideal for most vehicles with a single power adder. This feature allows the user to configure the system to support a wide range of controls including boost...
Holley

Holley HP EFI ECU 554-113

$1,119.95
HOLLEY HP EFI ECU ONLY Required/Sold Separately- •Complete System Wideband Oxygen Sensors •Main Wiring Harness •Injector Wiring Harness •Ignition Adapter Harness And Accessories ECU & Harness Features •Multiple Staged...