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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-510-5PR

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Return Style Pump, PDM, 5 in. Display, Kit

Part Number: SNE-550-510-5PR

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Systems 22-4150-TR-DRY

Nitrous Outlet Nitrous Oxide Systems 22-4150-TR-DRY

Nitrous Oxide System Conversion and Upgrade Kits, X-Series Weekend Warrior 4150 Dry Tunnel Ram Plate Conversion - (Dual Plates)(100-400HP)

Part Number: NXO-224150TRDRY

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Holley Power Valve Plugs and Gaskets 26-36

Plugs, Power Valve, Block-off, 1/2 in.-28 Thread, Gasket Included, Model 2300, 4150, 4160, 4500, Each

Part Number: HLY-26-36

5.0 out of 5 stars ( 6 )

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Allstar Performance Fuel Logs ALL26153

Fuel Log, Aluminum, Black, -8 AN Inlet, 7/8-20 in. Outlet, Holley 4150, Each

Part Number: AAF-ALL26153

2.8 out of 5 stars ( 5 )

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Quick Fuel Billet Aluminum Throttle Cable Brackets 49-132QFT

Throttle Cable Bracket, Aluminum, Clear Anodized, Holley, 4150/4160, Lokar Cable. Each

Part Number: QFT-49-132QFT

3.33 out of 5 stars ( 3 )

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-510-BPD

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Returnless Pump, PDM, Bluetooth, Kit

Part Number: SNE-550-510-BPD

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-511-BXD

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Returnless Pump, Bluetooth, Kit

Part Number: SNE-550-511-BXD

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Holley Throttle Lever Extensions 20-7

Adapters, Throttle Lever, Extension, Steel, Zinc Finish, Gold Color, Hardware Included, for Model 4150, 4150HP, 4160, Chrysler, Dodge, Plymouth, Each

Part Number: HLY-20-7

5.0 out of 5 stars ( 24 )

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Summit Racing™ Fuel Transfer Tube O-Rings SUM-200059

O-Rings, Transfer Tube, Rubber, Holley, 4150/4160/4165/4175, Pair

Part Number: SUM-200059

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-510-5AX

Not Yet Reviewed

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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-511-BPR

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Return Style Pump, PDM, Bluetooth, Kit

Part Number: SNE-550-511-BPR

Not Yet Reviewed

Estimated Ship Date: Today

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-510-5PD

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Returnless Pump, PDM, 5 in. Display, Kit

Part Number: SNE-550-510-5PD

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 30002

4.25 out of 5 stars ( 170 )

Estimated Ship Date: Today

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AED Billet Nitrous Activation Switch and Bracket Kits 6086

Nitrous Activation Switch, Switch and Bracket, Red Anodized, Holley 4150, Kit

Part Number: AED-6086

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Holley Accelerator Pump Conversion Kits 20-11SA

Carburetor Accelerator Pump Conversion Kits, 50cc Diaphragm Volume, Aluminum Housing, Gasoline, Holley, 2300, 4150, 4160, Kit

Part Number: HLY-20-11SA

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Quick Fuel Throttle Return Spring Kits 49-3QFT

Throttle Return Spring Kit, Holley® 4150, Kit

Part Number: QFT-49-3QFT

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Nitrous Outlet Solenoid Mounting Brackets 00-54506

4150 Flange, 2 Solenoid Bracket Mounts2 Solenoids on Side of intake

Part Number: NXO-00-54506

2.5 out of 5 stars ( 2 )

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Nitrous Outlet Solenoid Mounting Brackets 00-54502

4150 Flange, 2 Solenoid Offset Bracket

Part Number: NXO-00-54502

Not Yet Reviewed

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Engine Works Fuel Bowl Gaskets 11833

Gaskets, Fuel Bowl, Blue, Non-Stick, Reusable, Fiber Material, for Holley 4150, 4160, 2-Circuit 4500 Series, Set of 4

Part Number: EW1-11833

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Wilson Manifolds Shear Plates 505175

Carburetor Spacer, Split Shear Plate, Billet Aluminum, .500 in. Thick, 4-Hole, 1.75 Bore, 4150 Series, Each

Part Number: WSN-505175

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Holley Hi-Ram Intake Manifold Plenum Tops 300-207BK-2

Intake Manifolds, Hi-Ram, Top Section Only, Standard Deck, Dual Carburetor, 4150 Flange, Aluminum, Black Finish, with O-ring Seals, Each

Part Number: HLY-300-207BK-2

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Holley Single Plane Carbureted Intake Manifolds 300-277

Intake Manifolds, Single Plane, Single Carburetor, 4150 Flange, 2,500-7,500 RPM Range, Aluminum, Satin, Ford, 289-347ci, 8.20 in Deck Height, Each

Part Number: HLY-300-277

Not Yet Reviewed

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LS Classic Series Classic Air Cleaner Kits GMLS3030

Air Cleaner Kit, LS 4-Bolt 92mm Thottle Body Adapter, 4150 Carburetor Adapter, Chrome, 409 Dual Snorkel Style, Paper Element, Kit

Part Number: LSS-GMLS3030

Not Yet Reviewed

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Russell ProClassic II Dual Fuel Inlet Kits 641095

Fuel Line, ProClassic II, Dual, Braided Flex Line, Aluminum Fittings, Black, Holley, 4150, Kit

Part Number: RUS-641095

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Quick Fuel Carburetor Floats 16-11QFT

Carburetor Float, Nitrophyl, Notched, Quick Fuel, 4150, 4160, 4500, Each

Part Number: QFT-16-11QFT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Hi-Ram Intake Manifold Plenum Tops 300-945

Intake Manifolds, Hi-Ram, Top Only, Dual Square Bore 4150 Flange, Aluminum, Natural, Chevy Small Block, Big Block, Each

Part Number: HLY-300-945

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