2003 Holley - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Holley EFI LS Hi-Ram Intake Manifolds 300-123BK

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

Part Number: HLY-300-123BK

4.5 out of 5 stars ( 2 )

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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 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 Oil Dipstick and Tube Kits for GM LS 302-15

Engine Oil Dipstick, GM LS Retrofit, Plastic Handle, Yellow, Steel Tube, Black Powdercoated, Chevy, Small Block, Each

Part Number: HLY-302-15

2.29 out of 5 stars ( 35 )

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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 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 Premium Alternators 197-303

Alternators, Premium, OE Style, Cast Aluminum, Black Anodized, 150 amps, 12V, Internal Regulator, Serpentine Pulley, Chevy, 4.8-7.0L, Each

Part Number: HLY-197-303

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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 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 Terminator X MAX Engine Management Systems 550-932

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog Input, Tuner Controls, Chevy, LS, 5,7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-932

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Holley Terminator X Engine Management Systems 550-909T

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

Part Number: HLY-550-909T

5.0 out of 5 stars ( 2 )

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Holley Aluminum LS Valve Covers 241-176

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

Part Number: HLY-241-176

3.83 out of 5 stars ( 6 )

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Holley Terminator X MAX Engine Management Systems 550-930

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-930

3.0 out of 5 stars ( 3 )

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Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1065

Fuel Injection Systems, Terminator X Max, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Aluminum, Gold, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1065

Not Yet Reviewed

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Holley 4160 Marine 600 CFM 4-Barrel Carburetor 0-80492

Carburetors, Model 4160, Marine, 600 cfm, 4-Barrel, Square Bore, Electric Choke, Vacuum Secondaries, Single Inlet, Gold Dichromate, Each

Part Number: HLY-0-80492

4.7 out of 5 stars ( 10 )

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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 241-112

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 Throttle Bodies 860001-1

Throttle Body, Sniper EFI, Multi-port Injection, 92mm Bore, Billet Aluminum, Natural Finish, Hardware, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: SNE-860001-1

5.0 out of 5 stars ( 3 )

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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 Aluminum LS Valve Covers 241-182

Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Finned, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-182

2.5 out of 5 stars ( 2 )

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Holley Aluminum LS Valve Covers 241-172

Valve Covers, Aluminum LS, Centerbolt, Tall, Holley Logo, Cast Aluminum, Black Powdercoated, Satin Finish, Chevy, 4.8-7.0L, Pair

Part Number: HLY-241-172

Not Yet Reviewed

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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 EFI Crank Trigger Kits 556-174

Crank Triggers, 12-1X LS, Hall Effect, 8 in. Diameter, Aluminum, Silver, Adjustable Bracket, Black, 3-wire Pickup, Gen III, IV, LS, Kit

Part Number: HLY-556-174

5.0 out of 5 stars ( 1 )

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Holley Aluminum LS Valve Covers 241-178

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

Part Number: HLY-241-178

4.0 out of 5 stars ( 3 )

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2003 Holley Parts and Accessories