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HP Ecu & Harness LS1/LS6 NTK

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

$2,969.95



HP Ecu & Harness Mpfi - NTK

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

$2,869.95



HP Ecu & Harness GM LS2/LS3/LS7

Engine Control Module - HP Efi - Wiring Harness - Ls2 / Ls3 / Ls7 - GM LS-SERIES - Each
HOLLEY  |  Part# HLY-550-607   More Details...

$2,999.95



HP Ecu & Harness - Ford Mpfi NTK

Engine Control Module - HP Efi - Wiring Harness - NTK Oxygen Sensor - Ford Multi Port Fuel Injection - Each
HOLLEY  |  Part# HLY-550-606N   More Details...

$2,869.95



Ecu & Harness Kit - GM TPI/HOLLEY Stealt

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

$2,609.95



Terminator X Mpfi Kit GM LS Early Truck

Engine Control Module - Terminator X - Wiring Harness - 24x Reluctor Wheel - GM LS-SERIES - Kit
HOLLEY  |  Part# HLY-550-904T   More Details...

$1,399.95



Dominator Efi Kit - LS2/LS3 Late Truck

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

$3,149.95



Terminator X Mpfi GM LS1/LS6

Engine Control Module - Terminator X - Wiring Harness - 24x Reluctor Wheel - GM LS-SERIES - Kit
HOLLEY  |  Part# HLY-550-903T   More Details...

$1,399.95



Dominator Efi Kit - Ford

Engine Control Module - Dominator Efi - Wiring Harness - Ford - Each
HOLLEY  |  Part# HLY-550-653   More Details...

$3,049.95



Wiring Harness - Can Splitter

Data Transfer Cable - Holley Efi Can Splitter - Each
HOLLEY  |  Part# HLY-558-465   More Details...

$47.13