Availability
Fuel Injection Pumps, Switching Valve Kit, Dual Pump Tank, Includes, Wire Harness, Relays, for 534-37, -38 Systems, Kit
Part Number: HLY-534-39
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Lines, Sniper EFI, Fuel Crossover, -6 AN Hose, Black, Braided Nylon, Aluminum Fittings, Black, Male Thread, for Stealth 4150, Throttle Body, Kit
Part Number: SNE-534-236
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems Wiring Harnesses, Dominator EFI, J2A Auxiliary Harness, MPFI, Speed Density/Throttle Metered, with Wideband O2 Sensor, Kit
Part Number: HLY-558-401
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Holley EFI, V8 Over Manifold, Bosch Injector Harness, for Avenger, Dominator, HP EFI Systems, Chrysler, GM, Cylinder Orientation, Kit
Part Number: HLY-558-200
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harness, Holley EFI, Main Power, Universal, Speed Density/Throttle, 13 ft. Long, for Avenger, HP, Dominator EFI, Kit
Part Number: HLY-558-308
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems Wiring Harnesses, Dominator EFI, J2B Auxiliary Harness, 8 Additional Inputs, 23 Outputs, Connector Included, Kit
Part Number: HLY-558-402
Estimated Ship Date: Today
Estimated Ship Date: Today
Wire Harnesses, Sniper EFI, Main Harness, Throttle Body Injection, Speed Density Metered, 6 ft. Wire Loom, Black, Split Braided, Kit
Part Number: SNE-558-490
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems Wiring Harnesses, Dominator EFI, J4 Auxiliary Harness, MPFI, Speed Density/Throttle, 26 Input/Outputs, Connector Included, Kit
Part Number: HLY-558-404
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, EV6 Unterminated, Injector Harness, 36 in. Long, with Pins, Seals, Connector, Kit
Part Number: HLY-558-216
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Unterminated, Ignition Harness, with Pins, Seals, Connector, for HP, Dominator EFI Systems, Kit
Part Number: HLY-558-306
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems Wiring Harnesses, Dominator EFI, J3 Auxiliary Harness, MPFI, Speed Density/Throttle, 17 Input/Outputs, Connector Included, Kit
Part Number: HLY-558-403
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Pressure Regulators, Bypass Regulator Kit, Return, 15-60 psi, EFI, Includes Fittings, Gauge, Mounting Bracket, Kit
Part Number: HLY-12-886KIT
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Crank/Cam Ignition Harness, Plug-and-Play, for Ferrous Hall Effect to HP/Dominator Systems, Each
Part Number: HLY-558-431
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Components, Extension Cable, Wideband Oxygen Sensor, 4 ft. Long, Each
Part Number: HLY-534-199
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Holley EFI, TFI Ignition, Adapter Harness, for Avenger, HP, Dominator EFI Systems, Each
Part Number: HLY-558-305
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Fuel Injector Harness, Unterminated, Bosch Style, for HP, Dominator EFI Systems, Universal, Each
Part Number: HLY-558-204
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, 6 Cylinder, MPFI, SFI, TBI, Injector Harness, for HP, Dominator EFI Systems, Universal, Each
Part Number: HLY-558-203
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Fuel Rails, Holley EFI, Aluminum, Black Anodized, -8 AN Inlet, Hardware Included, for Hi-Ram, Ultra Lo-Ram, Manifold Base, Ford, 5.0L, Coyote, Kit
Part Number: HLY-534-320
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Pressure Regulators, Die-Cast EFI By-Pass, Adjustable, 15-60 psi, Return, Inline, 3/8 in.-NPT, 1/8 in.-NPT, Ports, Fittings, Gauge, Bracket, Kit
Part Number: HLY-12-882KIT
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Evenly Spaced, Injector Harness, USCAR/EV6, for HP, Dominator EFI, Each
Part Number: HLY-558-212
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Pressure Regulators, Boost Adjustable, 15-90 psi, Inline, -6AN Inlet, Outlets, Return Style, Aluminum, Black/Clear Anodized, Universal, Kit
Part Number: HLY-12-894KIT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Evenly Spaced, Injector Harness, Bosch/Jetronic, for HP, Dominator EFI, Each
Part Number: HLY-558-213
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Components, Sniper 2 EFI, Throttle Body System, CAN Hub, Direct Connect, Plastic Case, Black, Plug-and-Play, 5-Port, Each
Part Number: SNE-558-494
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Pressure Regulators, Boost Adjustable, 15-90 psi, Inline, -8AN Inlet, Outlets, Return Style, Aluminum, Black/Clear Anodized, Universal, Kit
Part Number: HLY-12-895KIT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Injection Pumps, Holley EFI, Water/Methanol Pump, 200 psi, 3/8 in. Inlet/Outlet, with Mounting Bracket, Each
Part Number: HLY-557-100
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
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