Holley Air & Fuel Delivery

Fuel Injection Systems, Sniper EFI, Stealth 4150, 650HP Max, Throttle Body, Shiny, 4150 Flange, Injectors, Fuel Pump, Regulator, Harness, Tuner, Kit

Part Number: SNE-550-870K

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injectors, Terminator X, EFI, 100 lbs./hr., USCAR Plug, EV6/Pico Body, 12V Saturated, High Impedance, 1.85 in. Overall Height, 0.65 OD, Set of 8

Part Number: HLY-522-108X

2.67 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Modules, Sniper 2 EFI, Power Distribution, Plastic Case, Black, LED Status, 3 Relay Channels, 15 amp Powertrain, 25 amp Fuel Pump, 25 amp Fan, Each

Part Number: SNE-554-200

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Adjustable, Return, Inline, 15-60 psi, Aluminum, Black, One 3/8 in. NPT Female Inlet, One 3/8 in. NPT Female Outlet, Each

Part Number: HLY-12-886

4.32 out of 5 stars ( 19 )

Estimated Ship Date: Tuesday 9/2/2025

Carburetors, Model 4500, Sportsman, 1,050 cfm, 4-Barrel, Dominator Flange, Mechanical Secondaries, Dual Inlet, Shiny, Annular Booster, 2-circuit, Each

Part Number: HLY-0-80688

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Carburetors, Street HP, 950 cfm, 4-barrel, Square Bore, Mechanical Secondaries, Dual Inlet, Silver Finish, Down-leg Booster, Universal Linkage, Each

Part Number: HLY-0-82951SA

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection Systems, Terminator X, Stealth 4150 EFI, Four Injectors, Throttle Body, Speed Density, Aluminum, Shiny, Tunable, Kit

Part Number: HLY-550-1001

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection Systems, Sniper EFI, Quadrajet, Throttle Body, Gold, Spread Bore Flange, Injectors, Pressure Regulator, Harness, Tuner, Kit

Part Number: SNE-550-869

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pumps, Sniper, In-Tank, Retrofit, Low-Profile, 12V, 90 gph, 1/4 in.-NPT, Female Ends, 7 in. Deep Tank, E85 Compatible, Each

Part Number: SNE-19-350

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Tuesday 9/2/2025

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

Part Number: HLY-300-620BK

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Intake Manifolds, EFI Hi-Ram, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Black Finish, Chevy, LS, 5.7L, 6.0L, Each

Part Number: HLY-300-122BK

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, HP Billet, 4.5 to 9 psi, Inline, No Return, 3/8 in. NPT, Inlet and Outlet, Black, Clear Anodized, Mounting Bracket. Each

Part Number: HLY-12-840

4.02 out of 5 stars ( 48 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection Systems Wiring Harnesses, Holley EFI, Drive-by-Wire Harness, GM LSx, for Dominator EFI Systems, 6-Pin, Each

Part Number: HLY-558-406

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Intake Manifolds, Holley EFI, LS Hi-Ram, Rectangular Port Head, Multi-port, 105mm Bore, Aluminum, Satin Finish, Fuel Rails, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-117

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Carburetors, Model 4150, Double Pumper, 650 cfm, 4-barrel, Square Bore, Mechanical Secondary, Electric Choke, Dual Inlet, Gold Dichromate, Each

Part Number: HLY-0-4777CE

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection Systems, Sniper EFI, Quadrajet, Throttle Body, Gold, Spread Bore Flange, Injectors, Fuel Pump, 255 lph, Regulator, Harness, Tuner, Kit

Part Number: SNE-550-869K

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection Systems, Terminator X, Stealth 4150 EFI, Four Injectors, Throttle Body, Speed Density, Aluminum, Black, Tunable, Kit

Part Number: HLY-550-1002

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection System Components, Terminator X, Upgrade, 3.5 in. Touch Screen, Handheld Controller, Mounting Sleeve, Power Cord, Wire Harness, Each

Part Number: HLY-553-201

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Carburetors, Street Avenger, 570 cfm, 4-barrel, Square Bore, Electric Choke, Vacuum Secondaries, Dual Inlet, Shiny Finish, Ford Kickdown, Each

Part Number: HLY-0-80570

4.07 out of 5 stars ( 28 )

Estimated Ship Date: Tuesday 9/2/2025

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Wiring Harnesses, Holley EFI, Replacement, LS Style, 58X/4X Main Harness, Speed Density, for HP, Dominator, EFI Systems Only, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 3.5 in. Display, Kit

Part Number: SNE-550-511-3AX

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, Bluetooth, Chevy, Kit

Part Number: SNE-550510BPXSBC

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pumps, Mechanical, 80 gph, 7.5 psi, 1/4-NPT Female Thread, Inlet and Outlet, Aluminum, Silver, Rotatable, Chevy, 262-400ci, Gen I, Each

Part Number: HLY-12-834

3.7 out of 5 stars ( 71 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, Bluetooth, Kit

Part Number: SNE-550-511-BXX

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 3.5 in. Display, Kit

Part Number: SNE-550-510-3PX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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