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558-126 Holley EFI Unterminated 15' Flying Lead Main Harness
$390.95The unterminated main harness comes with both J1A and J1B connectors full terminated with 15' of flying lead wiring. -
561-128 Holley EFI Remote LS Coil Relocation Brackets
$147.56Holley is pleased to announce the arrival of our remote coil relocation brackets for all existing LS coil models, as well as for Holley EFI SmartCoils. These brackets are fabricated from lightweight aluminum and allow users to discreetly remote mount... -
561-113 Holley EFI Holley EFI LS Spark Plug Wire Set - Cut to Fit
$181.95Holley EFI Universal "Cut-to-Fit" spark plug wire sets for GM Ls Engines come with the spark plug terminal and boot installed with the Coil end unterminated. Coil cap boots and terminals are included so you can cut the wire to the desired length, then... -
558-200 Holley EFI V8 over Manifold, Bosch Style Injector Harness
$179.95V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & Dominator EFI -
561-131 Holley EFI Holley Smart Coil Remote Coil Relocation Brackets
$218.95Holley is pleased to announce the arrival of our remote coil relocation brackets for all existing LS coil models, as well as for Holley EFI SmartCoils. These brackets are fabricated from lightweight aluminum and allow users to discreetly remote mount... -
558-430 Holley EFI CAN ADAPTER/POWER HARNESS
$38.50The Holley EFI Can Adapter/Power Harness adapts two pin Holley main harness CAN connectors to new style 4 pin CAN devices. -
570-317 Holley EFI LS Manifold Air Pressure Sensor AND 24x Crank Connector
$45.87Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley... -
573-101 Holley EFI F6 Split Wire Loom - 1/8 Inch
$36.22Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI powered... -
558-501 Holley EFI GM 58X EFI HARNESS KIT
$822.95An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector... -
561-130 Holley EFI Remote LS Coil Relocation Brackets
$155.66Holley is pleased to announce the arrival of our remote coil relocation brackets for all existing LS coil models, as well as for Holley EFI SmartCoils. These brackets are fabricated from lightweight aluminum and allow users to discreetly remote mount... -
565-208BK Holley EFI Holley EFI Dual Sync Chrysler SB Distributor, Black
$532.95Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor!While these distributors are designed to be used primarily in... -
570-318 Holley EFI LS 58x Crank Sensor and LS Cam Sensor Connector
$45.87Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley...