2003 Holley Parts and Accessories

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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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: Mar 4, 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: Mar 6, 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: Mar 4, 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: Mar 4, 2026 if ordered today

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Water Pumps, Mechanical, LS Cooling Manifold, Counterclockwise, Aluminum, Black Finish, Mid-Mount Race Drive, with A/C Delete, GM, 4.8-7.0L, Each

Part Number: HLY-97-224

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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Idler Pulleys, Holley, Replacement, 6-groove, LS Serpentine, Black, Plastic, 2.323 in. Diameter, for Holley LS Accessory Drive, Passenger Side, Each

Part Number: HLY-97-153

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Power Steering Brackets, Mid LSA/LS, Accessory Drive Bracket, Power Steering, Aluminum, Black Finish, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit

Part Number: HLY-20-165BK

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Estimated Ship Date: Mar 6, 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: Mar 4, 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: Mar 4, 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: Mar 4, 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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Accessory Drive Systems, LS Engine Swap, Serpentine Style, Alternator, Power Steering, Pullies, 6-groove, Black Finish, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-156BK

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Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Trans Controller, Sensors, USB Cable, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-927T

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Water Pump Housings, Replacement, Cooling Manifold, Cast Aluminum, Satin Finish, for Mid-Mount Accessory System, Chevy, 4.3-6.6L, Each

Part Number: HLY-97-309

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, USB Tune Cable, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-930T

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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: Mar 4, 2026 if ordered today

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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: Mar 4, 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: Tomorrow

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

Part Number: SNE-832141

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Estimated Ship Date: Mar 11, 2026 if ordered today

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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: Mar 4, 2026 if ordered today

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Accessory Drive Systems, LS Engine Swap, Serpentine, Black Air Conditioning Pulley, Compressor, Tensioner, Chevrolet, Small Block LS, Kit

Part Number: HLY-20-140BK

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Intake Manifold Base, LS Modular Hi-Ram, Aluminum, Natural, Chevy, Pontiac, 5.7L LS, 6.0L LS, Each

Part Number: HLY-300-226

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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