Availability
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Data Acquisition, Holley EFI, 8-channel, CAN EGT, 1/4 in. Stainless Bungs, 1/4 in. Probes, 4 ft. Harness, for HP, Dominator, Terminator X EFI, Kit
Part Number: HLY-554-186
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harnesses, Holley EFI, Benchtop Harness, Test Harness, EFI Input Connectors, Power Switch, for HP, Dominator, Terminator, Sniper ECUs, Each
Part Number: HLY-558-127
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Data Acquisition, Holley EFI, Single-channel, CAN EGT, 1/4 in. Stainless Bung, 1/4 in. Probe, Unterminated Output, Non-Holley Installations, Kit
Part Number: HLY-554-184A
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Data Acquistion Wiring Harnesses, Holley EFI, I/O Adapter and Terminated Vehicle Harness, for 7 in. Digital Dash, USB Memory Stick Included, Kit
Part Number: HLY-558-434
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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