CHEVROLET Chevy small block Gen III/IV (LS-based engines) Holley Air & Fuel Delivery - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Holley EFI Systems Wiring Harnesses 558-103

Wiring Harnesses, Holley EFI, Replacement, LS Style, 58X/4X Main Harness, Speed Density, for HP, Dominator, EFI Systems Only, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley EFI Systems Wiring Harnesses 558-102

Wiring Harnesses, Holley EFI, Replacement, LS1/6, 24X/1X Main Harness, Mass Airflow Metered, for HP, Dominator, EFI Systems Only, Chevy, 5.7L, Each

Part Number: HLY-558-102

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley Electric In-Tank Fuel Pumps 12-954

Fuel Pumps, Electric, In-Tank, 255 lph, 110 psi, 12V, Sending Unit, Stock Inlet and Outlet, Chevy, GMC, Truck, 4.3L, 4.8L, 5.3L, 6.0L, 8.1L, Each

Part Number: HLY-12-954

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Modular Lo-Ram EFI Intake Manifolds 300-600BK

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley EFI LS Single Plane Split-Design Race Intake Manifolds 300-255

Intake Manifolds, Fuel Injected, LS Single Plane Split-Design Race, Stock/OEM Deck, 2,500-7,000 RPM, Aluminum, Natural, Chevy, Small Block, Each

Part Number: HLY-300-255

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Split Design Carbureted Intake Manifolds 300-256

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

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley EFI LS Single Plane Split-Design Race Intake Manifolds 300-290

Intake Manifolds, Fuel Injected, Single Plane Split-Design Race, Aluminum, Natural, Chevrolet, LS GM Engines, LS3, L92 Cylinder Heads, Each

Part Number: HLY-300-290

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Modular Lo-Ram EFI Intake Manifolds 300-600

Intake Manifolds, LS Modular, Lo-Ram EFI, Base Only, Multi-port, -8 AN, O-ring Female, Fuel Rails, Runners, Aluminum, Natural, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-600

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Modular Lo-Ram EFI Intake Manifolds 300-670BK

Intake Manifolds. LS Modular, Lo-Ram EFI, Base Only, Rectangular Port Head, Mulit-port, Cast Aluminum, Black Finish, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-670BK

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Modular Lo-Ram EFI Intake Manifolds 300-670

Intake Manifolds. LS Modular, Lo-Ram EFI, Base Only, Rectangular Port Head, Mulit-port, Cast Aluminum, Satin Finish, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-670

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley EFI LS Single Plane Split-Design Race Intake Manifolds 300-294

Intake Manifolds, LS Split Design EFI, Single Plane, Aluminum, Natural, 4500 Dominator, Chevrolet, LS1, LS2, LS6, Kit

Part Number: HLY-300-294

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Split Design Carbureted Intake Manifolds 300-291

Intake Manifolds, LS Split Design Carbureted, Single Plane, Aluminum, Natural, 4-barrel Square Bore, Chevrolet, LS3, L92 Cylinder Heads, Each

Part Number: HLY-300-291

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley 450 LPH Fuel Pump Modules for 1998-2002 CAMARO, FIREBIRD - 12-365

Fuel Pumps, Electric, In-Tank, Twin Pump, 450 lph, Billet Aluminum, Gas, E85 Compatible, Chevy, Pontiac, Each

Part Number: HLY-12-365

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Split Design Carbureted Intake Manifolds 300-291BK

Intake Manifolds, LS Split Design Carbureted, Single Plane, Aluminum, Black, 4-barrel Square Bore, Chevrolet, LS3, L92 Cylinder Heads, Each

Part Number: HLY-300-291BK

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Mid-Rise Carbureted Intake Manifolds 300-132BK

Intake Manifolds, LS Mid-Rise, Standard Deck, Single Carburetor, Single Plane, 2,500-7,000 RPM Range, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-132BK

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley Sniper EFI Fabricated Intakes 822042-1

Intake Manifolds, Sniper EFI, Hi-Ram, Rectangular Port, 102mm Throttle Body, 2,200-6,800 RPM, Welded Aluminum, Black, Chevy, LS, 6.0L, 6.2L, Each

Part Number: SNE-822042-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley EFI LS Single Plane Mid-Rise Intake Manifolds 300-137BK

Intake Manifolds, LS EFI, Single Plane, Mid-Rise, Cathedral Port, Multi-port, 2,500-7,000 RPM Range, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-137BK

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley EFI LS Single Plane Split-Design Race Intake Manifolds 300-290BK

Intake Manifolds, Fuel Injected, Single Plane Split-Design Race, Black Ceramic, Natural, Chevrolet, LS GM Engines, LS3, L92 Cylinder Heads, Each

Part Number: HLY-300-290BK

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley Sniper EFI Fabricated Intakes 820031-1

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 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley Sniper EFI Fabricated Intakes 820042-1

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

Part Number: SNE-820042-1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley Sniper EFI Fabricated Intakes 820041-1

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

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Mid-Rise Carbureted Intake Manifolds 300-130BK

Intake Manifolds, LS Mid-Rise, Standard Deck, Single Carburetor, Dual Plane, 1,500-6,500 RPM Range, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-130BK

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley EFI Systems Wiring Harnesses 558-111

Wiring Harnesses, Holley EFI, Main Harness, 24X LS TBI, for Terminator, Terminator Stealth, Throttle Body Systems, Chevy, Each

Part Number: HLY-558-111

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

Holley EFI Systems Wiring Harnesses 558-112

Wiring Harnesses, Holley EFI, Main Harness, 58X LS TBI, for Terminator, Terminator Stealth, Throttle Body Systems, Chevy, Each

Part Number: HLY-558-112

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Holley LS Split Design Carbureted Intake Manifolds 300-295

Intake Manifolds, LS Split Design Carbureted, Single Plane, Aluminum, Natural, 4500 Dominator, Chevrolet, LS1, LS2, LS6, Each

Part Number: HLY-300-295

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025