Holley Performance Carbs & More

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2, Wideband, Ford, Lincoln, Mercury, 2-valve, 4.6L, 5.4L, Kit

Part Number: HLY-550-616N

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Estimated Ship Date: May 18, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, 2V Modular EFI, with Main, Power, Injector Harnesses, for HP, Dominator ECU, Ford, 4.6-5.4L, Kit

Part Number: HLY-558-505

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Estimated Ship Date: May 18, 2026 if ordered today

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O-ring Seals, Fuel Injector, Replacement, Rubber, Delphi Style, 8-piece, Set

Part Number: HLY-508-19

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Estimated Ship Date: May 15, 2026 if ordered today

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Fuel Injection Systems Wiring Harnesses, Holley EFI, Universal Harness, Four Cylinder, EV14 Injectors, 205 lbs.-hr. with HP/Dominator EFI, Each

Part Number: HLY-558-440

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Estimated Ship Date: May 18, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 4.6L, 5.4L, Kit

Part Number: HLY-550-617N

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Estimated Ship Date: May 18, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, LSX Injector Harness, EV6 Style, for HP, Dominator, Terminator EFI Systems, Each

Part Number: HLY-558-201

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Throttle Body Adapters, Throttle Body to Carbureted Manifold Adapter, Open Center, Billet Aluminum, Black Anodized, 1.00 in. Height, Square Bore, Kit

Part Number: HLY-17-93

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fuel Lines, Chrome, Steel, Holley, 4150, 5/8 in. x 18 inverted flare Inlet and outlets, Kit

Part Number: HLY-34-150

2.88 out of 5 stars ( 93 )

Estimated Ship Date: Today

Fuel Injection Pumps, Switching Valve Kit, Dual Pump Tank, Includes, Wire Harness, Relays, for 534-37, -38 Systems, Kit

Part Number: HLY-534-39

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Pressure Regulators, Carburetor Bypass Style, Return, 4.5-9 psi, Black, One 3/8 in. NPT Female Inlet, One 3/8 in. NPT Female Outlet, Each

Part Number: HLY-12-887

4.09 out of 5 stars ( 86 )

Estimated Ship Date: May 15, 2026 if ordered today

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Fuel Injection System Components, Holley EFI, Module Only, CAN Input/Output, for Holley EFI Systems, HP, Dominator, Terminator X, Kit

Part Number: HLY-554-166

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Intake Manifolds, 351W Ford, Hi-Ram, Base Only, Tunnel Ram, 1,500-7,000 RPM Range, Aluminum, Satin Finish, Ford, 5.8L, 9.5 in. Deck Height, Each

Part Number: HLY-300-243

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Throttle Bodies, Terminator X, Stealth 4150 EFI, Cable Actuation, Air Valve, for MPFI Manifolds, Cast Aluminum, Black Finish, GM TPS Sensor, Each

Part Number: HLY-534-308

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Intake Manifolds, LS 2x4, Dual Flange, Standard Deck, 1,500-7,000 RPM Range, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Cathedral Head, Each

Part Number: HLY-300-120

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Lines, Chrome, Steel, Holley, 4160, 5/8 in. x 18 inverted flare Inlet and outlets, Each

Part Number: HLY-34-160

3.8 out of 5 stars ( 54 )

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Intake Manifolds, LS Modular Hi-Ram, Single Plane, Aluminum, Dual 4-barrel Square, Fits LS3/L92/L76 Heads, Each

Part Number: HLY-300-113

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Estimated Ship Date: May 18, 2026 if ordered today

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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

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Intake Manifold Base, LS Modular Hi-Ram, Aluminum, Natural, Chevy, Pontiac, 5.7L LS, 6.0L LS, Each

Part Number: HLY-300-226

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 18, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, Multi Map Selector, Auxiliary Harness, Connector, Pins Included, for Dominator EFI Systems, Each

Part Number: HLY-558-407

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Throttle Bodies, Terminator X, Stealth 4150 EFI, Cable Actuation, Air Valve, for MPFI Manifolds, Cast Aluminum, Shiny Finish, GM TPS Sensor, Each

Part Number: HLY-534-307

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Fuel Rails, Holley EFI, LS Fuel Rails, Aluminum, Black Finish, -8 AN O-ring Inlet, Brackets, Hardware, for 300-134, 300-135 Intakes, Chevy, 6.2L, KIt

Part Number: HLY-534-220

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Estimated Ship Date: May 18, 2026 if ordered today

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Fuel Pressure Regulators, Adjustable, 15-65 psi, Inline, -8 AN Inlet and Outlet, -6 AN Return, Female Thread, O-Ring Cut, Aluminum, Black, Each

Part Number: HLY-512-504-5

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Estimated Ship Date: May 18, 2026 if ordered today

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RAM TUBE SET OF 8, 3 ID X 8 LG, ALUM

Part Number: HLY-300-805

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Fuel System Pump Kits, -6 AN, 340 lph Pump, 40 ft. Nylon Braided Hose, Regulator, Filter, Gas, E85, Kit

Part Number: HLY-526-25

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