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

Holley EFI LS Mid-Rise Intake Manifolds 300-126

Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-126

2.75 out of 5 stars ( 4 )

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Holley Terminator X MAX Engine Management Systems 550-935

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-935

5.0 out of 5 stars ( 2 )

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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 )

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Holley LS Engine Air Conditioner Brackets 20-159

Air Conditioner Brackets, LS, Sanden SD7, Aluminum, Natural, Lower Passenger Side A/C Bracket, Chevy, Small Block LS, Each

Part Number: HLY-20-159

5.0 out of 5 stars ( 5 )

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Holley HP EFI Smart Coil Sub Harnesses 558-318

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

5.0 out of 5 stars ( 2 )

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Holley Sniper Throttle Bodies 860002-1

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

4.67 out of 5 stars ( 3 )

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Holley LS Engine Swap Accessory Drive Systems 20-141

Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 508 A/C Only, Chevy, V8, Kit

Part Number: HLY-20-141

4.5 out of 5 stars ( 4 )

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Holley Intake Manifold Gaskets 508-22

Gaskets, Intake Manifold, O-ring Seals, Rubber, Stock Ports, 8-piece, Chevy, LS, 6.2L, 7.0L, Set

Part Number: HLY-508-22

Not Yet Reviewed

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Holley LS Mid-Rise Carbureted Intake Manifolds 300-130

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

Part Number: HLY-300-130

4.25 out of 5 stars ( 16 )

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Holley LS Pontiac-Style Valve Covers 241-192

Valve Covers, LS Pontiac, Cast Aluminum, Perimeter Bolt, Plain, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-192

5.0 out of 5 stars ( 1 )

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Holley LS Engine Air Conditioner Brackets 20-134

Air Conditioner Brackets, Passenger Side, Aluminum, Sanden 508, Sanden SD7, Chevy, Small Block LS, Each

Part Number: HLY-20-134

4.36 out of 5 stars ( 14 )

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Holley Sniper Throttle Bodies 860001-1

Throttle Body, Sniper EFI, Multi-port Injection, 92mm Bore, Billet Aluminum, Natural Finish, Hardware, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: SNE-860001-1

5.0 out of 5 stars ( 3 )

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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 )

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Holley LS Engine Swap Accessory Drive Systems 20-160

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

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Holley Sniper EFI Fuel Rails 850005

Fuel Rails, Sniper EFI, Billet Aluminum, Black Anodized, -8 AN Inlet, Hardware, Fittings, for Original Stock Intakes, Chevy, LS, 5.7L, 6.0L, Kit

Part Number: SNE-850005

3.35 out of 5 stars ( 17 )

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Holley HP EFI Smart Coil Sub Harnesses 558-312

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

4.0 out of 5 stars ( 2 )

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Holley Ignition Coil Extension Harnesses 558-326

Ignition Coil Wiring Harnesses, Holley EFI, LS Coil Extension Harness, 36 in. Long, OE Connectors, Plug & Play, Techflex F6 Loom, Chevy, 4.8-70L, Pair

Part Number: HLY-558-326

5.0 out of 5 stars ( 1 )

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Holley LS Mid-Rise Carbureted Intake Manifolds 300-132

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

Part Number: HLY-300-132

4.72 out of 5 stars ( 18 )

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Holley EFI Fuel Rails 534-245

Fuel Rails, Holley EFI, Billet Aluminum, Black Anodized, 3/4 in.-16, O-ring Inlet, Fittings, Hardware Included, Chevy, LS, 4.8-6.2L,Kit

Part Number: HLY-534-245

4.5 out of 5 stars ( 2 )

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Holley Throttle Cable Brackets 20-147

Throttle Cable Brackets, Throttle Body Mounting Style, Aluminum, Black Anodized, Chevy, Kit

Part Number: HLY-20-147

4.64 out of 5 stars ( 14 )

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Holley EFI LS Mid-Rise Intake Manifolds 300-135BK

Intake Manifolds, LS EFI, Mid-Rise, Rectangular Port Head, Multi-port, 1,500-6,500 RPM Range, Aluminum, Black Finish, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-135BK

Not Yet Reviewed

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Holley Dominator EFI Vehicle Management Systems 550-657

Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Drive-by-wire, 1x Cam Sensor, Chevy, 5.7L, 6.0L, 24x Crank, Kit

Part Number: HLY-550-657

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Holley LS Throttle Bodies 112-581

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

4.0 out of 5 stars ( 1 )

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Holley Aluminum LS Valve Covers 241-88

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-241-88

4.38 out of 5 stars ( 8 )

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Holley LS Split Design Carbureted Intake Manifolds 300-256BK

Intake Manifolds, LS Split Design, Carbureted, Cathedral Port Head, Single Plane, 4-barrel, Square Bore, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-256BK

5.0 out of 5 stars ( 1 )

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CHEVROLET Chevy small block Gen III/IV (LS-based engines) Holley Parts and Accessories