Engine Control Module - HP Efi - Wiring Harness - GM Tpi / Holley Stealth Ram - Kit
HOLLEY  |  Part# HLY-550-601   More Details...

$2,347.95

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Engine Control Module - HP Efi - Wiring Harness - 24x Reluctor Wheel - Ls1 / Ls6 - GM LS-SERIES - Kit
HOLLEY  |  Part# HLY-550-602   More Details...

$2,446.95

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Engine Control Module - HP Efi - Wiring Harness - 58x Reluctor Wheel - Ls2 / Ls3 / Ls7 - GM LS-SERIES - Kit
HOLLEY  |  Part# HLY-550-603   More Details...

$2,446.95

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

$2,347.95

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

$2,869.95

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Engine Control Module - HP Efi - Unterminated Wiring Harness - Universal - Kit
HOLLEY  |  Part# HLY-550-605   More Details...

$2,347.95

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

$2,833.95

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

$2,833.95

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

$2,833.95

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Engine Control Module - Dominator Efi - Wiring Harness - Coil On Plug Harness Included - Ford - Kit
HOLLEY  |  Part# HLY-550-655   More Details...

$3,013.95

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