2003 Holley Parts and Accessories

Intake Manifolds, LS Split Design EFI, Single Plane, Aluminum, Natural, 4500 Dominator, Chevrolet, LS1, LS2, LS6, Kit

Part Number: HLY-300-294

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1318

5.0 out of 5 stars ( 1 )

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Gaskets, Replacement, Port Flange, O-ring, Size 2-234, Intake Model 300-255, 300-256, 300-290, 300-291, 8-piece, Set

Part Number: HLY-508-28

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Brackets, Sniper EFI, Throttle Cable Mount, Intake Manifold, Aluminum, Silver, for Sniper EFI, Fabricated, with Hardware, Chevy, LS, 5.7L, 6.0L, Kit

Part Number: SNE-870016

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Intake Manifold Adapter, Adapts Small Port Engines for use with Holley Hi-Ram Intakes, 0.945 in. Thickness, Billet Aluminum, Mopar, Gen III Hemi, Kit

Part Number: HLY-300-652

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Fuel Rail Fasteners, Lo-Ram Manifold, LS Series, Aluminum Brackets, Black, Kit

Part Number: HLY-534-262

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Fuel Pumps, OEM Style, EFI, Electric, In-Tank, 450 lph, 60 psi, 12V, Sending Unit, 220-20 ohms, -8 AN Ports, No Return, E85 Fuel, Dodge, Ram, Kit

Part Number: HLY-12-324

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

Part Number: HLY-241-97

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Weatherproof Connectors, Holley EFI, Replacement, Hall Effect Sensor Connector, Metripack, 3-pin Female, Black, Pins, Seals, TPA, for 554-118, Each

Part Number: HLY-570-223

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: HLY-300-127

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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-550-1216

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Intake Manifolds, Sniper EFI, Fabricated, Cathedral Port, 102mm Throttle Body, 2,200-6,800 RPM, Aluminum, Black, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-820042-1

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Accessory Drive Bracket Spacer Kits, Aluminum, Black Finish, Long Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-3BK

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Valve Covers, Aluminum LS, Centerbolt, Tall, Chevrolet Logo, Cast Aluminum, Orange Gloss, Baffled, Chevy, LS, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-403

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Valve Covers, Tall -plus 0.54 in. Inside, Centerbolt, Chevrolet Logo, Cast Aluminum, Red Gloss Finish, Baffled, w/Grommets, Hardware, Chevy, LS, Pair

Part Number: HLY-241-404

4.0 out of 5 stars ( 1 )

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Engine Management Systems, Terminator LS, Plug-andPlay, 8-Injectors, 8-Coils, Analog Inputs, with Controller, Chevy, Truck, 4.8-6.0L, 24x Crank, Kit

Part Number: HLY-550-614

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Valve Covers, Vintage Series, Centerbolt, Stock Height, Finned, Cast Aluminum, Polished Finish, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-131

4.0 out of 5 stars ( 1 )

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Dash Panels, Holley EFI, 6.86 Pro Dash Bezel, 5/32 in. Thick, ABS Material, Black Matte Finish, Chevy, S10, S10 Blazer, GMC, S15, Jimmy, Sonoma, Each

Part Number: HLY-553-432

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1021

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Intake Manifolds, LS Split Design Carbureted, Single Plane, Aluminum, Black, 4500 Dominator, Chevrolet, LS1, LS2, LS6, Each

Part Number: HLY-300-295BK

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, 105 Amp Alternator, Kit

Part Number: HLY-20-162

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7 A/C, Chevy, V8, Kit

Part Number: HLY-20-138

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, 130 Amp Alternator, Natural, Kit

Part Number: HLY-20-136

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: HLY-550-932T

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Intake Manifolds, LS Mid-Rise, Standard Deck, Single Carburetor, Dual Plane, 1,500-6,500 RPM Range, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-130BK

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