Holley Performance Carbs & More

Fuel Injection System Wiring Harnesses, Holley EFI, Drive-by-wire Harness, GM LSx Early Truck, MPFI, SFI, TBI, for Dominator EFI Systems, Each

Part Number: HLY-558-429

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Intake Manifolds, LS EFI, Single Plane, Mid-Rise, Cathedral Port, Multi-port, 2,500-7,000 RPM Range, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-137BK

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Fuel Injection System Wiring Harnesses, Holley EFI, Pro-Dash, Input/Output, Unterminated, 2 and 3 Conductor Cable, 10 ft. Long, Pins, Plugs, Each

Part Number: HLY-558-456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Injection Components, Sniper EFI, Throttle Body Installation, 2300 and 4150 Flange Style, Gaskets, Hardware, Kit

Part Number: SNE-520-1

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Intake Manifolds, Holley EFI, LS Mid-Rise, Single Plane, Rectangular Port, Multi-port, Standard Deck, Aluminum, Black Finish, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-136BK

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Intake Manifolds, LS Modular, Ultra Lo-Ram EFI, Cathedral Port Head, Multi-port, Standard Deck, 105mm Bore, Aluminum, Silver, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-621

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Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 105mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-127

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Fuel Injection Components, M8 Four Pin, 8 Ft, Extension Cable, Each

Part Number: HLY-558-485

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Fuel Injection System Components, Holley EFI, 1/8 in.-NPT, Sensor Block, Four Independent Ports, Aluminum, Black Anodized, Each

Part Number: HLY-534-35

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Intake Manifolds, EFI, LT1, Gen V, Hi-Ram, Direct Injection, 3,500-8,000 RPM, 92mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 6.2L, Each

Part Number: HLY-300-143

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Injection Pumps, Holley EFI, Water/Methanol Pump, 200 psi, 3/8 in. Inlet/Outlet, with Mounting Bracket, Each

Part Number: HLY-557-100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, GM Gen V LTx, Drive-by-Wire, Throttle Body Harness, for Terminator X and X Max ECUs, Each

Part Number: HLY-558-468

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Wiring Harnesses, Holley EFI, Main Harness, 58X LS TBI, for Terminator, Terminator Stealth, Throttle Body Systems, Chevy, Each

Part Number: HLY-558-112

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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

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Fuel Injection System Controllers, EFI, Black Plastic, Multi Port, Chevrolet. Each

Part Number: HLY-554-150

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Injection Solenoids, Holley EFI, Water/Methanol, Solenoid/Nozzle, 1,000 cc/min, Aluminum, Black Solenoid Cover, with Fittings, Wire Harness, Each

Part Number: HLY-557-106

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Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Late Model, Each

Part Number: HLY-558-116

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Intake Manifold, EFI Hi-Ram, Multi-port, Aluminum, Natural, Dual Square Bore 4150 Style Mounting, Rectangular Port, Chevy, Big Block, Each

Part Number: HLY-300-964

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator EFI Systems, Model 550-405, 550-406, Each

Part Number: HLY-558-414

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, MPFI, Mass Airflow, Injector Harness, LS Multec 2, Chevy, Truck, 4.8-6.0L, Each

Part Number: HLY-558-214

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Fuel Injection System Components, Holley EFI, 12.3 in. Pro Dash, Touch Screen, Black Case, Wire Harness, Multiple Inputs, Built-in GPS, Odometer, Kit

Part Number: HLY-553-111X

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Intake Manifolds, Fuel Injected, EFI, Throttle Body Injection Style, Aluminum, Natural, Square Bore 4150 Style Mounting Flange, Chevy, Big Block, Each

Part Number: HLY-300-561

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Gen III Hemi, Injector Harness, Bosch/Jetronic/Holley, for HP, Dominator EFI, Each

Part Number: HLY-558-211

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Intake Manifolds, Fuel Injected, EFI, Throttle Body Injection Style, Aluminum, Natural, Square Bore 4150 Style Mounting Flange, Chevy, Big Block, Each

Part Number: HLY-300-563

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Intake Manifolds, Fuel Injected, LS Single Plane Split-Design Race, Stock/OEM Deck, 2,500-7,000 RPM, Aluminum, Black Ceramic, Chevy, Small Block, Each

Part Number: HLY-300-255BK

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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