Holley EFI

Holley EFI - 558-443Sniper EFI CAN To USB Communication Cable; 8 ft. Communication Cable;The CAN Bus to USB-A communication cable provides the user with real tuning time access to the ECU with a...

Holley EFI - 558-446Holley EFI Pro Dash Service HarnessPro Dash Service Harness; Service Replacement Pro Dash Harness;Replacement Harness for Holley EFI Pro Dashes - 553-111 and...

Holley EFI - 558-438Sealed USB Data CableHolley EFI Sealed USB Cable 15'15' long sealed USB data cableWiring Harness For Digital DashBrand: Holley EFICategory: Vehicles, Equipment, Tools, and...

Holley EFI - 558-437Hemi Drive-By-Wire Throttle Body HarnessDrive By Wire Harness; Fits 2013-Present Holley Dominator EFI Only Apps; Hemi Throttle Body Harness;The Holley Dominator ECU has built in...

Holley EFI - 558-436Terminated Vehicle Harness For Digital DashCompatible With Digital DisplayFor Use w/Holley Distributorless Ignition SystemsBrand: Holley EFICategory: Electrical, Lighting and...

Holley EFI - 558-439Terminator® Throttle Body Harness; For Use w/PN[522-205];Injector upgrade harness for Terminator Throttle Body Systems. This harness is designed to be plug and play with our 205...

Holley EFI - 558-440Universal 4 EV14 Cylinder Injector HarnessUniversal MPFI Main Harness; Fits w/4 cyl. EV14 Injector HP/Dominator EFI; 205 lb./hr.;This Universal 4 Cylinder EV14 Injector Harness is...

Holley EFI - 558-433Digital Dash I/O Adapter w/Unterminated Vehicle Harness; Provides 10 More Inputs/Outputs To Digital Dash; Incl. USB Memory Stick/Firmware;I/O Adapter w/Unterminated Vehicle...

Holley EFI - 558-429Holley EFI GM Drive-By-Wire Harness - Early TruckDominator EFI GM Drive By Wire Harness; Early GM Truck;Terminator X Max and Dominator EFI GM DBW Harness-Early Truck. Compatible...

Holley EFI - 558-431Crank/Cam Ign. Harness. Fully terminated harness.Terminated Crank/Cam Trigger Ignition Harness; Fits w/HP And Dominator ECU; Fits...

Holley EFI - 558-434Digital Dash I/O Adapter w/Terminated Vehicle Harness; Provides 10 More Inputs/Outputs To Digital Dash; Incl. USB Memory Stick/Firmware;I/O Adapter w/Terminated Vehicle...