Availability
2004 Holley Parts and Accessories
Timing Covers, Replacement, Cast Aluminum, Black Finish, for Mid-Mount Accessory Drive 20-291BK, 20-293BK, Gen III, Hemi, VVT, 5.7L, 6.4L, Each
Part Number: HLY-97-375
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Fuel Pumps, Drop-In Fuel Module, Electric, In-Tank, 255 lph, 12V, Sending Unit, Wire Harness, for Infiniti, for Nissan, SUV, Trucks, 4.0L, 5.6L, Each
Part Number: HLY-12-985
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Valve Covers, Aluminum LS, Centerbolt, Plain Top, Cast Aluminum, Polished, Baffled, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair
Part Number: HLY-241-90
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Intake Manifolds, Sniper EFI, Fabricated, Cathedral Port, 4150 Style Flange, 2,200-6,800 RPM, Aluminum, Black, Chevy, LS Base, 4.8-6.0L, Each
Part Number: SNE-820051
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Hemi Cam/Crank Connector, Main Harness, APEX 1.2, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-234
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Intake Manifold Bolt Set, Replacement Hardware Kit, Hemi Hi-Ram, Chrysler, Dodge, Ram, Kit
Part Number: HLY-300-655
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Hemi CTS Connector, Main Harness, 1.5mm YESC, 2-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-233
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, LS1 Knock Sensor Connector, Main Harness, Metripack, 2-pin Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-219
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Air Conditioning Compressor Brackets, for R4 Compressor, Aluminum, Black, Chevy, Small Block LS, Each
Part Number: HLY-20-133BK
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Engine Accessory Bracket Components, Engine Accessory, R4 Tensioner, Spacer, Aluminum, Cast Finish, Chevy, 4.8-7.0L, LS Based, Kit
Part Number: HLY-21-7
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Ford Modular, CTS Connector, Main Harness, SSC, 2-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-236
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Weatherproof Connectors, Holley EFI, Hemi, MAP Sensor Connector, Sealed, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-240
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, LS 58X Crank/CPS Sensor Connectors, Metripack, 3-pin, Female, Black, with Pins, Seals, TPA, 10-piece, Chevy, Set
Part Number: HLY-570-318
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Spark Plug Wire Sets, Holley EFI, Cut-toFit, for Smart Coil, 36 in. Long, Red Wire, 8.00mm Core, Gray Silicone, Plug Boot, Straight, Universal, Set
Part Number: HLY-561-115
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Manifold Air Temp Connector, SSC, 2-pin, Female, Gray Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-237
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Modular/Coyote, Knock Sensor Connector, Main Harness, MX 150, 6-pin Male, Black Plastic, Pins, Seals, TPA, Each
Part Number: HLY-570-225
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Idle Air Control Connector, SSC, 2-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-238
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Hemi, CTS Connector, Main Harness, Molex 2-pin, Female, Black Plastic, includes Pins, Seals, TPA, Each
Part Number: HLY-570-228
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Hemi, Air Temperature Sensor Connector, Main Harness, Molex 2-pin, Female, Black Plastic, Pins, Seals, TPA, Each
Part Number: HLY-570-227
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.1L, Non-VVT, Kit
Part Number: HLY-550-1420
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, USB Tuning Cable, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1220
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Fuel Injection Systems, Terminator X Max, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Aluminum, Shiny, Trans Control, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1063
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Gold Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1022
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, USB Tuning Cable, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1221
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Intake Manifolds, LS 2x4, Throttle Body, Dual Flange, 1,500-7,000 RPM Range, Aluminum, Black Finish, Chevy, 4.8-6.0L, Cathedral Head, Each
Part Number: HLY-300-121BK
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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