Holley Performance Carbs & More

Adapter Harnesses, Holley EFI, MAP Sensor Adapter, 3-pin Delphi GT to 3-pin Delphi M/P 150 Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-467

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Intake Manifolds, LS Modular, Lo-Ram EFI, Cathedral Port Head, Multi-port, Standard Deck, 105mm Bore, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-620

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Intake Manifolds, LS Modular, Lo-Ram EFI, Cathedral Port Head, Multi-port, Standard Deck, 105mm Bore, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-620BK

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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

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Fuel Rail Components, LS Hi-Ram, Adapters, CNC Machined, Aluminum, Mounting Hardware, O-rings, Kit

Part Number: HLY-300-230

2.5 out of 5 stars ( 2 )

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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

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Valve Covers, LS Ford Style, Cast Aluminum, Center Bolt, Plain, Cast Aluminum, Polished Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-186

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Fuel Rail Components, Adapter Bracket Kit, Required When Upgrading to EV1/Bosch Style Injectors on OE Style LS Manifolds, Chevy, LS, Kit

Part Number: HLY-534-246

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

Part Number: HLY-241-190

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Adapter Harnesses, Holley EFI, MAP Sensor Adapter, MPFI Weatherpack 2-pin to 3-pin Delphi GT Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

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Valve Covers, LS Ford Style, Cast Aluminum, Center Bolt, Plain, Cast Aluminum, Natural Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-185

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Intake Manifolds, LS Modular, Lo-Ram EFI, Dual Injection, Rectangular Port Head, Multi-port, 105mm Bore, Aluminum, Satin, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-683

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Intake Manifolds, LS Modular, Lo-Ram EFI, Dual Injection, Rectangular Port Head, Multi-port, 105mm Bore, Aluminum, Black, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-683BK

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Estimated Ship Date: Mar 17, 2026 if ordered today

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Intake Manifolds, Dual Injection, Lo-Ram EFI, Cathedral Port Heads, Standard Deck, 105mm Bore, Aluminum, Black Finish, Chevy, LS, 4.8-6.0L, Each

Part Number: HLY-300-624BK

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Estimated Ship Date: Mar 17, 2026 if ordered today

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Intake Manifolds, Dual Injection, Lo-Ram EFI, Cathedral Port Heads, Standard Deck, 105mm Bore, Aluminum, Satin Finish, Chevy, LS, 4.8-6.0L, Each

Part Number: HLY-300-624

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-919

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-916

4.64 out of 5 stars ( 11 )

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934

4.0 out of 5 stars ( 4 )

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909

4.56 out of 5 stars ( 9 )

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903

4.71 out of 5 stars ( 34 )

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Intake Manifolds, EFI Hi-Ram, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Black Finish, Chevy, LS, 5.7L, 6.0L, Each

Part Number: HLY-300-122BK

3.67 out of 5 stars ( 6 )

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909T

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog Input, Tuner Controls, Chevy, LS, 5,7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-932

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Intake Manifolds, EFI, LS Hi-Ram, Cathedral Port Head, Multi-port, 105mm Bore, Standard Deck, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-123BK

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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