2004 Holley Parts and Accessories

Accessory Brackets, LS Engine, Cast Aluminum, Polished Finish, Alternator, Power Steering, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-155P

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Estimated Ship Date: Apr 14, 2026 if ordered today

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

Part Number: HLY-21-2BK

5.0 out of 5 stars ( 1 )

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

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Throttle Linkage, Sniper EFI, Dual Plenum Linkage, Aluminum, Black Anodized, 92mm Bore, Brackets, Cables, Hardware, Chevy, LS, 4.8-7.0L, Kit

Part Number: SNE-860028

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

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Hardware Kits, Split Intake Manifold, O-rings, Cord, Hardware, Silver Finish, Intake 300-255, 300-256, 300-290, 300-291, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-508-31

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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 7 A/C Only, Black Powdercoated, Chevy, V8, Kit

Part Number: HLY-20-142BK

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Valve Cover Fasteners, Holley EFI, Tall LS Valve Cover Bolts, Polished, Aluminum, Hex Head, 6mm x 1.0 Thread, Hardware Included, Chevy, 4.8-7.0L, Each

Part Number: HLY-561-133

5.0 out of 5 stars ( 1 )

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

Oil Fill Caps, LS Engine, Twist-in, Octagon Shape, Black, Plastic, Billet Aluminum Insert, Domed Holley Decal, Each

Part Number: HLY-241-224

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

Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, AC, Pulleys, 6-groove, Polished, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-190P

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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, Power Steering, Water Pump, AC, Pulleys, 6-groove, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-190

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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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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Hardware Kits, Replacement, Black Finish, Bolt Set, Intake Manifold Installation, EFI 4500, Model 300-294, 295, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Kit

Part Number: HLY-508-42

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Estimated Ship Date: Jul 30, 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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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1319

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Estimated Ship Date: Apr 13, 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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