2003 Holley - Free Shipping on Orders Over $109 at Summit Racing

Holley Aluminum LS Valve Covers 241-179

Valve Covers, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Red Gloss, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-179

4.33 out of 5 stars ( 3 )

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Holley Sniper Throttle Bodies 860005-1

Throttle Body, Sniper EFI, Multi-port Injection, 102mm Bore, Billet Aluminum, Black Anodized, Hardware, Cable Operated, Chevy, LS, 4.8-7.0L, Each

Part Number: SNE-860005-1

3.42 out of 5 stars ( 12 )

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Holley LS Modular Lo-Ram EFI Intake Manifolds 300-621BK

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

Part Number: HLY-300-621BK

4.75 out of 5 stars ( 4 )

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Holley MAP Sensor Adapters 558-416

Harness Adaptors, Holley EFI, LS3 MAP Sensor Adapter, Plug-and-Play, Pre-Terminated, Adapts to LS1/LS2 Engine, Chevy, 5.7L, 6.0L, Each

Part Number: HLY-558-416

4.88 out of 5 stars ( 17 )

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Holley Mid-Mount Complete Accessory Systems 20-186

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Natural Color, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-186

5.0 out of 5 stars ( 2 )

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Holley Retrofit Engine Oil Pans for GM LS Engines 302-5

Oil Pans, Retrofit, LS Engine Swap, Rear Sump, Wet Style, 5.6 Quarts, Aluminum, Natural, Buick, Chevy, Ford, GMC, Mercury, Oldsmobile, Pontiac, Each

Part Number: HLY-302-5

3.67 out of 5 stars ( 3 )

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Holley Terminator X MAX Engine Management Systems 550-919T

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Trans Control, Sensors, USB Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-919T

Not Yet Reviewed

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Holley EFI Fuel Rails 534-244

Fuel Rails, Holley EFI, Billet Aluminum, Black Anodized, -8 AN, O-ring Inlet, Fittings, Hardware Included, Chevy, LS, 4.8-7.0L,Kit

Part Number: HLY-534-244

4.5 out of 5 stars ( 4 )

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Holley Retrofit Engine Oil Pans for GM LS Engines 302-3BK

Oil Pans, Retrofit, LS Engine Swap, Rear Sump, Wet Style, 5.9 Quarts, Aluminum, Black, Buick, Chevy, Ford, GMC, Mercury, Oldsmobile,Pontiac, Each

Part Number: HLY-302-3BK

5.0 out of 5 stars ( 2 )

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Holley Aluminum LS Valve Covers 241-112

Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Black Powdercoat, Textured, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-112

4.53 out of 5 stars ( 17 )

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Holley Sniper EFI Fabricated Intakes 820102-1

Intake Manifolds, Sniper EFI, Fabricated, Cathedral Port, 92mm Throttle Body, 1,800-6,400 RPM, Aluminum, Black, Chevy, LS, 4.8-6.0L, Kit

Part Number: SNE-820102-1

5.0 out of 5 stars ( 1 )

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Holley EFI Systems Wiring Harnesses 558-102

Wiring Harnesses, Holley EFI, Replacement, LS1/6, 24X/1X Main Harness, Mass Airflow Metered, for HP, Dominator, EFI Systems Only, Chevy, 5.7L, Each

Part Number: HLY-558-102

5.0 out of 5 stars ( 4 )

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Holley Sniper EFI HyperSpark Distributor Kits 565-304K

Ignition Systems, Sniper 1 EFI, HyperSpark, Ignition Box, Coil, Distributor, Wire Harness, Chrysler, Dodge, Plymouth, Small Block, LA, Kit

Part Number: SNE-565-304K

Not Yet Reviewed

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Holley LS Mid-Rise Carbureted Intake Manifolds 300-132

Intake Manifolds, LS Mid-Rise, Standard Deck, Single Carburetor, Single Plane, 2,500-7,000 RPM Range, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-132

4.72 out of 5 stars ( 18 )

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Holley Terminator X MAX Engine Management Systems 550-917T

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-917T

1.0 out of 5 stars ( 1 )

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Holley Terminator X Engine Management Systems 550-903T

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903T

5.0 out of 5 stars ( 1 )

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Holley EFI LS Hi-Ram Intake Manifolds 300-122

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

Part Number: HLY-300-122

3.63 out of 5 stars ( 8 )

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Holley EFI Fuel Rails 534-209

Fuel Rails, Holley EFI, LS Hi-Flow, Aluminum, Black Finish, -8 AN O-ring Inlet, Brackets, Fittings, Hardware, for Stock Intake, Chevy, 4.8-6.2L, Kit

Part Number: HLY-534-209

4.25 out of 5 stars ( 32 )

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Holley EFI LS Mid-Rise Intake Manifolds 300-126

Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-126

2.75 out of 5 stars ( 4 )

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Holley Aluminum LS Valve Covers 241-91

Valve Covers, Aluminum LS, Centerbolt, Plain Top, Cast Aluminum, Black Textured, Baffled, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-91

4.55 out of 5 stars ( 33 )

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Holley Terminator X MAX Engine Management Systems 550-934T

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Trans Control, Analog, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934T

Not Yet Reviewed

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Holley EFI Fuel Rails 534-219

Fuel Rails, Holley EFI, LS Fuel Rails, Aluminum, Black Finish, -8 AN O-ring Inlet, Brackets, Hardware, for 300-137 Intake, Chevy, 4.8-7.0L, Kit

Part Number: HLY-534-219

Not Yet Reviewed

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Holley LS Throttle Bodies 112-581

Throttle Bodies, LS Style, Multi-Port Injection, Cable Actuated, 1 Venturi, 105mm, Billet Aluminum, Black Anodized, Chevy, 4.8-7.0L, LS Based, Each

Part Number: HLY-112-581

4.0 out of 5 stars ( 1 )

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Holley Terminator X Engine Management Systems 550-1219

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1219

5.0 out of 5 stars ( 3 )

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Holley EFI LS Single Plane Mid-Rise Intake Manifolds 300-137

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

Part Number: HLY-300-137

4.0 out of 5 stars ( 7 )

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2003 Holley Parts and Accessories