J4 Connector & Harness
HOLLEY  |  Part# HLY-558-404   More Details...

$238.95

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Efi Wiring Harness - Transmission - Holley Dominator Efi - GM 4L60E/4 L80e - Each
HOLLEY  |  Part# HLY-558-405   More Details...

$318.95

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Efi Wiring Harness - Drive by Wire - Holley Dominator Efi - GM - Each
HOLLEY  |  Part# HLY-558-406   More Details...

$259.95

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Map Sensor Adapter Ls1 & Ls2 To Ls3
HOLLEY  |  Part# HLY-558-416   More Details...

$47.16

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Wire Harness Kit - Efi Terminator I/O
HOLLEY  |  Part# HLY-558-420   More Details...

$56.25

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Can Extension Harness 8ft Length
HOLLEY  |  Part# HLY-558-425   More Details...

$70.19

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Can Extension Harness 12ft
HOLLEY  |  Part# HLY-558-426   More Details...

$84.29

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Can ADAPTER- New Device To 2-PIN Main Harness
HOLLEY  |  Part# HLY-558-430   More Details...

$49.21

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Efi Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator Efi - Universal - Kit
HOLLEY  |  Part# HLY-558-431   More Details...

$103.95

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Digital Dash Wiring Harness - INPUT/OUTPUT Extender - Holley Digital Dash - Kit
HOLLEY  |  Part# HLY-558-432   More Details...

$169.95

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