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

$2,849.95

Add to Cart

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

$2,609.95

Add to Cart

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

$2,499.95

Add to Cart

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

$2,999.95

Add to Cart

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

$2,999.95

Add to Cart

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

$3,049.95

Add to Cart

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

$3,499.95

Add to Cart

Engine Control Module - Dominator Efi - Wiring Harness - Transmission Harness - LS1/LS6 - GM LS-SERIES - Each
HOLLEY  |  Part# HLY-550-656   More Details...

$2,969.95

Add to Cart

Engine Control Module - Dominator Efi - Wiring Harness - Transmission Harness - DRIVE-BY-WIRE - LS1/LS6 - GM LS-SER...
HOLLEY  |  Part# HLY-550-657   More Details...

$3,349.95

Add to Cart

Engine Control Module - Dominator Efi - Wiring Harness - Transmission Harness - Ls2 - GM LS-SERIES - Each
HOLLEY  |  Part# HLY-550-658   More Details...

$2,969.95

Add to Cart