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

Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-177

3.64 out of 5 stars ( 14 )

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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Crank Triggers, 12-1X LS, Hall Effect, 8 in. Diameter, Aluminum, Silver, Adjustable Bracket, Black, 3-wire Pickup, Gen III, IV, LS, Kit

Part Number: HLY-556-174

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Polished, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-176

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Orange Gloss, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-178

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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Valve Covers, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Red Gloss, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-179

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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Alternators, Premium, OE Style, Cast Aluminum, Black Anodized, 150 amps, 12V, Internal Regulator, Serpentine Pulley, Chevy, 4.8-7.0L, Each

Part Number: HLY-197-303

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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Oil Pan, Engine Swap, Low Profile, Aluminum, Black, 3.620 in. Stroke, 5.7 Quarts, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: HLY-302-2BK

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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Throttle Bodies, LS Style, Multi-Port Injection, Cable Actuated, 1 Venturi, 95mm, Billet Aluminum, Black Anodized, Chevy, 4.8-7.0L, LS Based, Each

Part Number: HLY-112-585

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Oil Pan, Engine Swap, Aluminum, Black Ceramic Coated, 4.250 in. Stroke, 5.5 Quarts, Chevy, 4.8, 5.3, 6.0L, Each

Part Number: HLY-302-1BK

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Crank Triggers, Holley EFI, 12-1X LS, Hall Effect, 7.25 in. Diameter, Aluminum, Silver, Adjustable Bracket, 3-wire Pickup, Gen III, IV, SBC, Kit

Part Number: HLY-556-175

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Wiring Harnesses, Holley EFI, LS2/3/7, 58X/4X, Main Harness, Plug-and-Play, Extended Length, for Dominator/HP EFI Systems, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-134

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Wiring Harnesses, Holley EFI, LS1/6, 24X/1X, Main Harness, Plug-and-Play, Extended Length, for Dominator/HP EFI Systems, Chevy, 4.8-6.0L, Each

Part Number: HLY-558-133

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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 )

Estimated Ship Date: Tuesday 9/2/2025

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

Part Number: HLY-241-181

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Sep 19, 2025 if ordered today

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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: Tuesday 9/2/2025

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