Availability
2003 Holley Parts and Accessories
Accessory Drive Systems, LS Engine Swap, Serpentine, Black Air Conditioning Pulley, Sanden SD-7 Compressor, Tensioner, Chevrolet, Small Block LS, Kit
Part Number: HLY-20-160
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Red Powdercoat, Glossy, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-113
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Ignition Coil Wiring Harnesses, Holley EFI, HP Smart Coil, Ignition Harness, for HP/Dominator ECU, Chevy, LS Based, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L, Each
Part Number: HLY-558-312
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Harmonic Balancers, LS Engine, Internal Balance, Steel, Black, 7.50 in. OD, 1.48 in. ID, with Mid-Mount Accessory Drive Only, GM, 5.7-6.2L, Each
Part Number: HLY-97-205
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Oil Pans, Gen III Hemi, Retrofit, VVT Engine, Wet Sump, Rear, 1-piece Main Seal, 6.2 Quart, Dipstick Passenger Side, Aluminum, Natural, Hardware, Each
Part Number: HLY-302-76
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Throttle Body, Sniper EFI, Multi-port Injection, 85mm Bore, Billet Aluminum, Black Anodized, Cable Operated, Chevy, 4.8-6.0L, Each
Part Number: SNE-860024
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Finned, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-182
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Rails, Holley EFI, LS Hi-Flow, Aluminum, Black, -8 AN O-ring Inlet, Brackets, Hose, Fittings, Hardware, for Stock Intake, Chevy, 4.8-7.0L, Kit
Part Number: HLY-534-210
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1061
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Rails, Holley EFI, LS Fuel Rails, Aluminum, Black Finish, -8 AN O-ring Inlet, Brackets, Hardware, for 300-137 Intake, Chevy, 4.8-7.0L, Kit
Part Number: HLY-534-219
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Throttle Bodies, LS Style, Multi-Port Injection, Cable Actuated, 1 Venturi, 105mm, Billet Aluminum, Black Anodized, Chevy, 4.8-7.0L, LS Based, Each
Part Number: HLY-112-581
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Accessory Drive Systems, LS Engine Swap, Serpentine Style, Alternator, Power Steering, Pullies, 6-groove, Natural Finish, Chevy, LS, 4.8-7.0L, Kit
Part Number: HLY-20-156
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Ignition Coil Wiring Harnesses, Holley EFI, C-N-P Ignition Sub-Harness, 12-gauge Wire, for HP EFI, Smart Coils, Chevy, LS Based, 4.8-7.0L, Each
Part Number: HLY-558-318
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Intake Manifolds, LS Split Design, Carbureted, Cathedral Port Head, Single Plane, 4-barrel, Square Bore, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each
Part Number: HLY-300-256
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Power Steering Pumps, Hemi Swap, Power Steering Kit, Low Pressure, Aluminum, Black, with Car Accessory Drive, Chrysler, Dodge, Jeep, 5.7-6.4L, Kit
Part Number: HLY-97-382
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Throttle Body, Sniper EFI, Multi-port Injection, 102mm Bore, Billet Aluminum, Silver Anodized, for Sniper EFI Intakes, Chevy, LS, 4.8-7.0L, Each
Part Number: SNE-860002-1
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Intake Manifolds, Sniper EFI, Fabricated, Cathedral Port, 92mm Throttle Body, 2,200-6,800 RPM, Aluminum, Black, Chevy, LS, 4.8-6.0L, Kit
Part Number: SNE-820032-1
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Intake Manifolds, LS Modular, Ultra Lo-Ram EFI, Cathedral Port Head, Multi-port, Standard Deck, 105mm Bore, Aluminum, Silver, Chevy, 4.8-6.0L, Each
Part Number: HLY-300-621
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Crankshaft Pulleys, Holley, Replacement, LS Serpentine, 3-bolt, 6-groove, Steel, Black, for Holley Mid-Mount Accessory Drive, Chevy, 5.7-6.2L, Each
Part Number: HLY-97-159
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Air Conditioner Brackets, Passenger Side, Aluminum, Sanden 508, Sanden SD7, Chevy, Small Block LS, Each
Part Number: HLY-20-134
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Intake Manifolds, LS Modular, Lo-Ram EFI, Base Only, Multi-port, -8 AN, O-ring Female, Fuel Rails, Runners, Aluminum, Black, Chevy, 4.8-6.0L, Each
Part Number: HLY-300-600BK
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Sensors, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-929
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Oil Pans, Gen III Hemi, RetroFit, Wet Sump, Rear, 6.2 Quart, Dipstick Compatible, Cast Aluminum, Natural, Chrysler, Dodge, GMC, Plymouth, 376ci,
Part Number: HLY-302-63
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Air Conditioner Brackets, LS, Sanden SD7, Aluminum, Natural, Lower Passenger Side A/C Bracket, Chevy, Small Block LS, Each
Part Number: HLY-20-159
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Intake Manifolds, EFI, LS, Hi-Ram, Base Only, Cathedral Port, Multi-port, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each
Part Number: HLY-300-227
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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