2004 Holley Parts and Accessories

Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 2V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Lincoln, Mercury, Each

Part Number: HLY-558-314

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Accessory Drive Systems, Gen III, Hemi, Mid-Mount System, Black Finish, Serpentine, A/C, P/S, Water Pump, Hardware, Chrysler, Dodge, 5.7L, 6.2L, Kit

Part Number: HLY-20-290BK

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Wiring Harnesses, Holley EFI, Ford 2V/4V Modular, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, Ford, 4.6-5.4L, Each

Part Number: HLY-558-108

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Estimated Ship Date: Apr 15, 2026 if ordered today

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

Part Number: HLY-241-184

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 4.6L, 5.4L, Kit

Part Number: HLY-550-617

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Connects 16-Injectors, 8-Coils, Bosch O2, Wideband, Ford, Lincoln, Mercury, 2V, 4.6L, 5.4L, Kit

Part Number: HLY-550-616

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Tensioner, SFI Damper, Natrual Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-182

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, Kit

Part Number: HLY-20-162P

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Crank Trigger Wheels, Holley EFI, Replacement, 12-1X, Hall Effect, 6.25 in. Diameter, Aluminum, Silver, Chevy, LS, Small Block, Each

Part Number: HLY-556-185

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Estimated Ship Date: Apr 15, 2026 if ordered today

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

Part Number: HLY-241-92

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Water Pump, Counterclockwise, Pulleys, 6-groove, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-187BK

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Estimated Ship Date: Apr 15, 2026 if ordered today

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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: Apr 15, 2026 if ordered today

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Intake Manifolds, EFI, Hi-Ram, Multi-port, Top Only, 95mm Bore, Cast Aluminum, Black Finish, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L,Each

Part Number: HLY-300-245BK

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Without A/C, Black Powdercoated, Chevy, V8, Kit

Part Number: HLY-20-143BK

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Hoses and Lines, Power Steering, 6 AN Hardline, Steel, Chrome, Fittings, Crush Washers, Chrysler, Dodge, Jeep, 5.7-6.4L, Gen III, Hemi, Each

Part Number: HLY-198-205

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Weatherproof Connectors, Holley EFI, Hemi, Knock Sensor Connector, Main Harness, DMS 2-pin, Female, Black Plastic, includes Pins, Seals, TPA, Each

Part Number: HLY-570-230

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 4V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Mustang, 4.6L, Each

Part Number: HLY-558-315

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Engine Coolant Crossovers, LS Steam Vent Kits, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: HLY-26-551

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Without A/C, Chevy, V8, Kit

Part Number: HLY-20-143

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Ford Coyote/Modular, TPS Connector, Main Harness, DMS 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-231

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 508 A/C Only, Black Powdercoated, Chevy, V8, Kit

Part Number: HLY-20-141BK

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Throttle Body Spacer, Sniper, Billet Aluminum, 92mm Bore, 0.375 in. Thick, Black Anodized, for Sniper EFI Fabricated Intakes, Chevy, 4.8-7.0L, Each

Part Number: SNE-860012

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Dash Panels, Holley EFI, 7 in. Dash Bezel, 5/32 in. Thick, ABS Material, Black Matte Finish, Chevy, S10, GMC, Sonoma, Trucks, Each

Part Number: HLY-553-315

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Early Model, Each

Part Number: HLY-558-115

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Estimated Ship Date: Apr 15, 2026 if ordered today

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

Part Number: HLY-197-304

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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