2003 Holley Parts and Accessories

Air Conditioner Brackets, Passenger Side, Aluminum, Black, Sanden 508, Chevrolet, Small Block LS, Each

Part Number: HLY-20-134BK

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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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Accessory Drive Bracket Kits, for R4 A/C Compressor, Aluminum, Black, Chevy, LS, Kit

Part Number: HLY-20-131BK

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Throttle Body Spacer, Sniper, Billet Aluminum, 102mm Bore, 0.375 in. Thick, Black Anodized, for Sniper EFI Fabricated Intakes, Chevy, 4.8-7.0L, Each

Part Number: SNE-860014

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Intake Manifolds, Sniper EFI, Fabricated, Cathedral Port, 102mm Throttle Body, 1,800-6,400 RPM, Aluminum, Silver, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-820111-1

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Estimated Ship Date: May 4, 2026 if ordered today

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Valve Covers, LS Pontiac, Cast Aluminum, Perimeter Bolt, Plain, Cast Aluminum, Natural Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-190

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Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coil, Analog, O2 Sensor, Plug-and-Play, Controller, Dodge, Chrysler, 5.7L, 6.1L, Kit

Part Number: HLY-550-1223

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Air Cleaners, Retrofilter, Drive-By-Wire, 16 in. Round, Aluminum, Chrome, Cotton Gauze Filter, Red, GM LS 4-Bolt 92mm Throttle Body, Kit

Part Number: HLY-120-500

5.0 out of 5 stars ( 1 )

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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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Wiring Harnesses, Holley EFI, Ford 2V/4V Modular, Main Harness, Multi-Port Fuel Injection, for Holley Smart Coils, HP EFI System, Ford, 4.6-5.4L, Each

Part Number: HLY-558-113

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Estimated Ship Date: Apr 27, 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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Timing Covers, Replacement, Natural Finish, for Mid-Mount Accessory Drive 20-290, 20-292, Gen III, Hemi, Non-VVT, Cast Aluminum, 5.7L, 6.1L, Each

Part Number: HLY-97-372

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Seal Puller and Installers, Crankshaft Seal, Installation Tool, Aluminum, Natural, Mopar, 5.7, 6.1, 6.2, 6.4, Gen III Hemi, Each

Part Number: HLY-97-367

5.0 out of 5 stars ( 1 )

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

Part Number: HLY-300-294BK

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, LS MAP/CPS Connector, Main Harness, Metripack, 3-pin Female, Gray Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-217

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Intake Manifolds, Sniper EFI, Hi-Ram, Cathedral Port, 90mm Throttle Body, 2,100-8,200 RPM, Welded Aluminum, Black, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-832142

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Accessory Drive Systems, LS Mid-Mount, Serpentine Style, Alternator, Water Pump, Power Steering, A/C, Hardware, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-180

4.5 out of 5 stars ( 2 )

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

Part Number: HLY-20-186P

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Chevy, LS, 5.7L, Kit

Part Number: HLY-550-602

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1060

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Intake Manifolds, EFI, LS, Hi-Ram, Base Only, Cathedral Port, Multi-port, Standard Deck, Aluminum, Black Finish, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-300-227BK

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7B10 A/C Only, Black Powdercoated, Chevy, GMC, V8, Kit

Part Number: HLY-20-138BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 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: Apr 27, 2026 if ordered today

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-926T

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Intake Manifolds, EFI LS Fabricated, Hi-Ram, Throttle Body, Top Only, 95mm Bore, Aluminum, Black, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit

Part Number: HLY-300-284

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Estimated Ship Date: Apr 27, 2026 if ordered today

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