Service Parts

Can Extension Harness (for Racepak and other external CAN drives)BrandHolley EFIEmission Code5Product TypeCAN Extension HarnessPart Number558-425..

CAN Extension Harness (for Racepak and other external CAN drives)BrandHolley EFIEmission Code5Product TypeCAN Extension HarnessPart Number558-426..

Can Extension Harness (for Racepak and other external CAN drives)BrandHolley EFIEmission Code5Product TypeCAN Extension HarnessPart Number558-428..

The Holley EFI Can Adapter/Power Harness adapts two pin Holley main harness CAN connectors to new style 4 pin CAN devices.BrandHolley EFIEmission Code5Product TypeCAN Extension HarnessPart Number558-430..

This Universal 4 Cylinder EV14 Injector Harness is designed to be plug and play with HP EFI & Dominator EFI Systems, utilizing our 205 LB/HR Injector Set - Part Number 522-205.BrandHolley EFIEmission Code4Harness ApplicationUniversalHarness TypeInjectorInjector ConnectorBosch/EV14Product TypeInjector Harness - ConnectorPart Number558-440..

Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle body, install a new main harness, and slave throttle body, and you are finished. This upgrade is also perfect for anyone wanting to convert their 2x4 supercharged combo over to Electronic Fuel Injection!Features:2x4 Side Mount Stealth T..

The CAN to USB communication cable provides the user with real tuning time access to the ECU. This cable can be used with Holley EFI, Sniper EFI, and Terminator X Tuning Software. Which can be downloaded for free from the Support section of our website!Features:8’ communication cable for easy access to your ECU.BrandHolley EFIEmission Code5Length8ftProduct TypeUSB Data - Communication CablePart Nu..

Service replacement digital dash harness. Features:CANBus Connector WiringUSB Connector WiringBrandHolley EFIEmission Code5Product TypeHarness KitPart Number558-444..

The Holley EFI Can Adapter/Power Harness adapts two pin Holley main harness CAN connectors to new style 4 pin CAN devices.BrandHolley EFIEmission Code5Product TypeCAN Extension HarnessPart Number558-445..

If you already have your own wire and simply need the connectors and pins, we have you covered with our new ECU connector and pins kit, allowing you to fully terminate your own custom main harnesses!Features:Pre-Terminated J1A and J1B Tyco Superseal Connectors60x - 20-22ga pre-terminated wires20x - 16-18ga pre-terminated wires30 cavity plugsBrandHolley EFIEmission Code5Product TypeConnector KitPa..

This harness includes the Switched 12v Power Wire, Main Battery Power and Ground, Fuel Pump Relay, Coil – Input wire, and Magnetic Distributor Input wires. 6' of 3/8" black braided split wire loom has also been included to keep the wires protected and your engine bay clean!Features:1x 5’ 12g Main Battery Power Wire1x 5’ 12g Main Battery Ground Wire1x 30A Fuse with Cover with Mounting Tab for a sec..

This harness gives you the access to 2 Ground Trigger Inputs, 3 Ground Trigger Outputs, also the Points Output, Tachometer output, and Digital Gauge Output Wires. The Input Grounds can be used for things such as AC Kick, and nitrous stage activation! The Output Grounds can be used for Electronic Fan Control, or A/C Shutdown at WOT.Features:Wires come individually labeled for easy identification2x ..

Works with Holley EFI Dual Sync DistributorsFeatures:Blank cap available for Coil-On-Plug applicationsBrandHolley EFIEmission Code3Product TypeDual Sync DistributorPart Number566-101..

Holley EFI Dual Sync Distributor Service Rotor. Featuring a low resistance brass terminal material, and included mounting hardware. Features:Service Distributor Rotor for 565-100 through 110 Dual Sync DistributorsBrass Contact TerminalApplicationUniversalBrandHolley EFIEmission Code3Gear I.D.N/AProduct TypeDistributor Caps and RotorsPart Number566-102..

Holley EFI Billet Blank Distributor Cap for 565-111Features:Designed to work on 565-111, or any of the 565-200 series Dual Sync Distributors.BrandHolley EFIEmission Code3Product TypeDistributor CapPart Number566-103..

Designed to release and extract the terminals from the connector housing when wiring or repairing your vehicle. This de-pinning tool also includes 10 connector plugs to provide a weather proof and clean installation.Features:Metripack De-pinning tool10 Plugs includedBrandHolley EFIEmission Code5Product TypeDe-Pinning ToolPart Number567-101..

The best crimping tool available for making custom wiring harnesses. Constructed with a heavy duty hardened steel frame with molded non-slip hand grips.Features:Dual-molding grips for ergonomic comfortRatchet assembly assures a perfect crimp every timeDesigned for 22-14 AWG Metri-Pack TerminalsBrandHolley EFIEmission Code5Product TypeCrimping ToolPart Number567-102..

Introducing 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 machine! Black Nylon braided wire loom from 1/8" to 2" and every connector (pins/seals/TPA included) we utilize on our main harnesses are now ava..

Introducing 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 machine! Black Nylon braided wire loom from 1/8" to 2" and every connector (pins/seals/TPA included) we utilize on our main harnesses are now ava..

Introducing 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 machine! Black Nylon braided wire loom from 1/8" to 2" and every connector (pins/seals/TPA included) we utilize on our main harnesses are now ava..