2003 Holley Parts and Accessories

Accessory Drive Bracket Kits, for R4 Compressor, Aluminum, Natural, Chevy, Small Block LS, Kit

Part Number: HLY-20-131

3.67 out of 5 stars ( 3 )

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Valve Covers, Aluminum LS, Centerbolt, Tall, Chevrolet Logo, Cast Aluminum, Natural Finish, Baffled, Chevy, LS, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-400

5.0 out of 5 stars ( 2 )

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

Part Number: HLY-241-180

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Accessory Belt Tensioners, Holley, LS Assembly, Serpentine, Smooth Pulley, with Low-Mount A/C, for Holley Accessory Drive Only, Chevy, 4.8-7.0L, Each

Part Number: HLY-97-156

4.0 out of 5 stars ( 1 )

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Intake Manifold Base, LS Modular Hi-Ram, Base Only, Tunnel Ram, Aluminum, Black Ceramic Coated, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Cathedral Port, Each

Part Number: HLY-300-226BK

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Intake Manifolds, Sniper EFI, Fabricated, Cathedral Port, 102mm Throttle Body, 2,200-6,800 RPM, Aluminum, Silver, Chevy, LS, 4.8-6.0L, Kit

Part Number: SNE-820041-1

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Intake Manifolds, Sniper EFI, Fabricated, Cathedral Port, 92mm Throttle Body, 1,800-7,000 RPM, Aluminum, Silver, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-820031-1

1.0 out of 5 stars ( 1 )

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Throttle Linkage, Dual-Plenum EFI Linkage Kit, 102mm Throttle Bodies, Includes Brackets, Plate, Cables, and Hardware, Chevy, LS, Kit

Part Number: SNE-860030

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Estimated Ship Date: May 1, 2026 if ordered today

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Alternator Brackets, Low-Mount, Aluminum, Natural, Chevy, Kit

Part Number: HLY-20-166

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Pedal Assembly Components, Drive-By-Wire Accelerator Pedal Bracket, Use with Holley 145-160 Pedal, Steel, Black Powdercoated, Chevy, GMC, Each

Part Number: HLY-145-121

5.0 out of 5 stars ( 1 )

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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 )

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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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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 )

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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: May 1, 2026 if ordered today

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Intake Manifolds, Sniper EFI, Dual Plenum, Cathedral Port, 92mm Throttle Body, 1,00-6,800 RPM, Aluminum, Black, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-820202

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Estimated Ship Date: May 1, 2026 if ordered today

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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 28, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Cam/Crank Position Sensor Connector, Sealed, 2-pin, Female, Black Plastic, Seals, TPA, Each

Part Number: HLY-570-241

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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 27, 2026 if ordered today

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Throttle Body Adapters, Holley, Angle Correcting Adapter, 95mm Bore, Aluminum, Black, Chevy, Gen V LT/ LS, 4.8-7.0L, with Accessory Drive, Each

Part Number: HLY-717-16

1.0 out of 5 stars ( 2 )

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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 27, 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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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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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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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 28, 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 28, 2026 if ordered today

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