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Holley Needle and Seat Assemblies 6-504

Carburetor Needle and Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.110 in. Seat, Center Hung Float Style, Gaskets Included, Each

Part Number: HLY-6-504

4.92 out of 5 stars ( 24 )

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Holley Mechanical Fuel Pumps 12-833

Fuel Pumps, Mechanical, 80 gph, 7.5 psi, 1/4-NPT Female Thread, Inlet and Outlet, Aluminum, Silver, Rotatable, Ford, 221-351ci, Windsor, Each

Part Number: HLY-12-833

3.35 out of 5 stars ( 23 )

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Holley Aluminum Ultra XP 750 CFM 4-Barrel Carburetor 0-80803HBX

Carburetors, Ultra XP, 750 cfm, 4-barrel, Square Bore and Dominator Mounting, Mechanical Secondaries, Dual Inlet, Grey and Black Finish, Each

Part Number: HLY-0-80803HBX

5.0 out of 5 stars ( 2 )

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Holley Mid-Mount Complete Accessory Systems 20-220

Accessory Drive Systems, LT Mid-Mount, Wet Sump, Serpentine, Alternator, Water Pump, Power Steering, A/C, Natural Finish, Chevy, Gen V, 6.2L, Kit

Part Number: HLY-20-220

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-918T

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Trans Control, Sensors, USB Cable, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-918T

Not Yet Reviewed

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Holley Sniper EFI Fuel Regulators 19-395

Fuel Pressure Regulators, Sniper, EFI, 40-130 psi, Bypass, Return Style, Inline, -8 AN Ends, Female Thread, Aluminum, Black, with Bracket, Each

Part Number: SNE-19-395

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Holley Cast Aluminum Timing Covers 21-150

Timing Covers, 1-Piece, Aluminum, Holley Logo, Natural, Chevrolet, Small Block, Without Crank Sensor, Each

Part Number: HLY-21-150

4.2 out of 5 stars ( 15 )

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Holley Aluminum Ultra XP 2-Barrel 500 CFM 2-Barrel Carburetor 0-4412BKX

Carburetors, Aluminum Ultra XP, 500 cfm, 2 Barrel, Tumble Polished, Single Inlet, Down-Leg Booster, Billet Base and Metering Block, Each

Part Number: HLY-0-4412BKX

4.83 out of 5 stars ( 6 )

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Holley Terminator X MAX Engine Management Systems 550-920

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-920

5.0 out of 5 stars ( 1 )

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Holley EFI LS Mid-Rise Intake Manifolds 300-135BK

Intake Manifolds, LS EFI, Mid-Rise, Rectangular Port Head, Multi-port, 1,500-6,500 RPM Range, Aluminum, Black Finish, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-135BK

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Holley EFI Systems Wiring Harnesses 558-104

Wiring Harnesses, Holley EFI, Replacement, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, Universal, Each

Part Number: HLY-558-104

4.0 out of 5 stars ( 2 )

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Holley Mechanical Fuel Pumps 12-454-20

Fuel Pumps, Mechanical, 170 gph, 8 psi, Aluminum, Silver, -8 AN, Female Thread, O-ring Cut, Inlet and Outlet, Chevy, 396ci, 402ci, 427ci, 454ci, Each

Part Number: HLY-12-454-20

4.0 out of 5 stars ( 8 )

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Holley Sniper Throttle Bodies 860008-1

Throttle Body, Sniper EFI, Multi-port Injection, 90mm Bore, Billet Aluminum, Black Anodized, 4-bolt Pattern, IAC Provision, Chevy, LS, 4.8-7.0L, Each

Part Number: SNE-860008-1

5.0 out of 5 stars ( 1 )

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Holley LS Modular Lo-Ram EFI Intake Systems 300-620

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

Part Number: HLY-300-620

5.0 out of 5 stars ( 1 )

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Holley Terminator X Engine Management Systems 550-1218

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1218

Not Yet Reviewed

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Holley Universal Ignition Harnesses 558-307

Ignition Coil Wiring Harnesses, Holley EFI, Coil-On/Near Plug Harness, for GM LSx Coil Harness, Holley 558-312, to HP, Dominator EFI Systems, Each

Part Number: HLY-558-307

Not Yet Reviewed

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Holley Ultra Street Avenger 670 CFM 4-Barrel Carburetor 0-86670BK

Carburetors, Ultra Street Avenger, 670 cfm, 4-barrel, Square Bore, Electric Choke, Vacuum Secondaries, Dual Inlet, Polished, Ford Kickdown, Each

Part Number: HLY-0-86670BK

5.0 out of 5 stars ( 3 )

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Holley Diecast In-Tank Retrofit Fuel Pump Modules 12-129

Fuel Pumps, Electric, In-Tank, Diecast Retrofit Module, 6 psi, 255 lph, Gasoline, Non-Return Style, Each

Part Number: HLY-12-129

3.33 out of 5 stars ( 6 )

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Holley Single Plane Carbureted Intake Manifolds 300-261

Intake Manifolds, Single Plane Carbureted, Aluminum, Natural, 5.280 in. Height, 4-barrel Square Bore, Chevy, Small Block, Each

Part Number: HLY-300-261

4.33 out of 5 stars ( 9 )

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Holley Coil-Near-Plug Smart Ignition Coils 556-127

Ignition Coil, Coil-Near-Plug Smart Coil Kit, Black, 44,000V, 8 Coils, Harness, Kit

Part Number: HLY-556-127

3.5 out of 5 stars ( 2 )

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Holley Sniper In-Tank Retrofit Fuel Pump Modules 19-355

Fuel Pumps, Sniper, Twin Pump, In-Tank, 13.5 Volt, 180 gph, Manifold Ends, -8 AN O-ring, Female Thread, 7 in. Deep Tank Minimum, E85 Compatible, Each

Part Number: SNE-19-355

Not Yet Reviewed

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Holley Analog Fuel Pressure Gauges 26-500

Gauge, Fuel Pressure, 0-15 psi, 1 1/2 in. Diameter, Analog, 1/8 in. npt, Full Sweep, Mechanical, White Face, Each

Part Number: HLY-26-500

3.86 out of 5 stars ( 51 )

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Holley Accelerator Pump Conversion Kits 20-11

Accelerator Pumps, Conversion Kit, 50cc Diaphragm, Pump housing, Stud, Arm, Diaphragm, Spring, Screws, for Model 2300, 4150, 4160, Kit

Part Number: HLY-20-11

4.76 out of 5 stars ( 33 )

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Holley Harmonic Balancers 97-205

Harmonic Balancers, LS Engine, Internal Balance, Steel, Black, 7.50 in. OD, 1.48 in. ID, with Mid-Mount Accessory Drive Only, GM, 5.7-6.2L, Each

Part Number: HLY-97-205

3.0 out of 5 stars ( 1 )

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Holley In-Tank Retrofit Fuel Pump Modules 12-130

Fuel Pumps, Electric, In-Tank, Retrofit Module, 60 psi, 255 lph, Gasoline, Return Style, Each

Part Number: HLY-12-130

5.0 out of 5 stars ( 4 )

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Holley Parts and Accessories