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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 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

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

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AED Billet Nitrous Activation Switch and Bracket Kits 6086

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

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4.43 out of 5 stars ( 7 )

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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 )

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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 )

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Summit Racing™ Billet Aluminum Throttle Cable Bracket Adapters SUM-210243BLK

Summit Racing™ Billet Aluminum Throttle Cable Bracket Adapters SUM-210243BLK

Throttle Cable Bracket, Billet Aluminum, Black, Edelbrock Performer, Holley 4150/4160, Fits Lokar Cable, Each

Part Number: SUM-210243BLK

5.0 out of 5 stars ( 5 )

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Nitrous Outlet Solenoid Mounting Brackets 00-54502

4150 Flange, 2 Solenoid Offset Bracket

Part Number: NXO-00-54502

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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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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

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 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

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Quick Fuel Performance Carburetor Rebuild Kits BR-67222

Gaskets, Brawler Rebuild Kit Nonstick, 4150 Double Pumper

Part Number: QFT-BR-67222

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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

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Vortech Carbureted Entry-Level Supercharger Kits 4GP218-050L

Supercharger, Centrifugal, Satin Finish, 5 PSI, Chevy, Small Block, Holley 4150, Kit

Part Number: VOR-4GP218-050L

5.0 out of 5 stars ( 5 )

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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 )

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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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Quick Fuel Billet Aluminum Throttle Cable Brackets 49-125QFT

Throttle Cable Bracket, Aluminum, Red Anodized, Holley, 4150/4160, GM Cable. Each

Part Number: QFT-49-125QFT

1.0 out of 5 stars ( 1 )

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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems 550-510-BXR

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

Part Number: SNE-550-510-BXR

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-510-BXD

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

Part Number: SNE-550-510-BXD

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-511-5XD

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

Part Number: SNE-550-511-5XD

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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

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AED Billet Metering Blocks 6580

Carburetor Metering Block Replacements, Primary or Secondary, T-6 Billet Aluminum, Red Anodized, 2 Circuit, Holley 4150 Series, Gasoline, Each

Part Number: AED-6580

4.75 out of 5 stars ( 4 )

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Holley Billet Throttle Return Spring Brackets 20-282

Throttle Return Spring Brackets, Billet Aluminum, Clear Anodized, Dual Spring, Carburetor Base Mount, for Models 4150, 4160 Series, Each

Part Number: HLY-20-282

5.0 out of 5 stars ( 2 )

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Moroso Carburetor Adapters 64965

Carburetor Adapter, 0.75 in., 2300/2305 2-Barrel Carburetor to 4150/4160 Intake, 1.50 in. Bore

Part Number: MOR-64965

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Outlet Solenoid Mounting Brackets 00-54500

4150 Flange, 2 Solenoid Bracket Center Mount Shallow Break

Part Number: NXO-00-54500

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Engine Works Carburetor Gasket Kits 11800

Carburetor Gasket Kits, Fuel Bowl/Metering Block, Reusable, Blue, Non--Stick, Fiber Material, Holley, 4150, 4160 Series, Kit

Part Number: EW1-11800

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