Availability
Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 32.25 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each
Part Number: HLY-554-178
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 22.75 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each
Part Number: HLY-554-176
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 27.5 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each
Part Number: HLY-554-177
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 60 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each
Part Number: HLY-554-180
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 18.5 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each
Part Number: HLY-554-175
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Fuel Injection System Components, Pressure Transducer, Replacement, 0-3,000 psi, 0.5-4.5 V, 1/8 in.-27 NPT, for Avenger, HP, Dominator EFI, Each
Part Number: HLY-554-137
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Ignition Coil Wiring Harnesses, Holley EFI, Coyote Ti-VCT, Coil Harness, OE Connectors, Plug-and-Play, for HP EFI, Dominator EFI, Ford, 5.0L, Each
Part Number: HLY-558-322
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford Coyote, Plug-and-Play, for HP EFI, Dominator EFI, Ford, F150, Mustang, 5.0L, Each
Part Number: HLY-558-317
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Computer Mounting Brackets, Holley EFI, Dominator ECU, Mounting Bracket, Steel, Black Finish, for Under Passenger Seat, Ford, Mustang, Fox Body, Each
Part Number: HLY-554-156
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Data Acquisition, Holley EFI, Single-channel Module, CAN EGT Controller, Dual CAN Connector Harness, for HP, Dominator, Terminator X EFI, Kit
Part Number: HLY-554-188C
Not Yet Reviewed
Estimated Ship Date: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 2025 if ordered today
Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 2V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Lincoln, Mercury, Each
Part Number: HLY-558-314
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 4V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Mustang, 4.6L, Each
Part Number: HLY-558-315
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Data Acquisition, Holley EFI, Single-channel, CAN EGT, Stainless Bung, Probe, 60 in. Harness, Pre-terminated Connector, Non-Holley Installations, Kit
Part Number: HLY-554-188A
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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