Engine Control Module - HP Efi - Wiring Harness - V8 Multi Port Fuel Injection - Kit
HOLLEY PERFORMANCE  |  Part# HLY-550-604   More Details...

$2,749.95
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Engine Control Module - HP Efi - Wiring Harness - NTK Oxygen Sensor - V8 Multi Port Fuel Injection - Kit
HOLLEY PERFORMANCE  |  Part# HLY-550-604N   More Details...

$2,999.95
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Engine Control Module - HP Efi - Wiring Harness - NTK Oxygen Sensor - Ford Multi Port Fuel Injection - Kit
HOLLEY PERFORMANCE  |  Part# HLY-550-606N   More Details...

$2,999.95
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Engine Control Module - Dominator Efi - Wiring Harness - Ls1 / Ls6 - GM LS-SERIES - Kit
HOLLEY PERFORMANCE  |  Part# HLY-550-650   More Details...

$3,299.95
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Engine Control Module - Dominator Efi - Wiring Harness - Ls2 / Ls3 - GM LS-SERIES - Kit
HOLLEY PERFORMANCE  |  Part# HLY-550-651   More Details...

$3,299.95
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Engine Control Module - Dominator Efi - Wiring Harness - V8 - Universal - Kit
HOLLEY PERFORMANCE  |  Part# HLY-550-652   More Details...

$3,299.95
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Engine Control Module - Dominator Efi - Wiring Harness - Transmission Harness - DRIVE-BY-WIRE - Ls2 - GM LS-SERIES ...
HOLLEY PERFORMANCE  |  Part# HLY-550-660   More Details...

$3,699.95
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LCD Touch Screen - 3.5 In - Holley HP / Dominator Efi - Kit
HOLLEY PERFORMANCE  |  Part# HLY-553-108   More Details...

$419.95
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Engine Control Module - HP Efi - Universal - Each
HOLLEY PERFORMANCE  |  Part# HLY-554-113   More Details...

$2,099.95
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Engine Control Module - Dominator Efi - Universal - Each
HOLLEY PERFORMANCE  |  Part# HLY-554-114   More Details...

$2,499.95
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