94 Results Found For "Injection"

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: Today

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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: Today

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Wiring Harnesses, Holley EFI, Universal, Unterminated, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, with Connectors, Each

Part Number: HLY-558-105

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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: Today

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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

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Wiring Harnesses, Holley EFI, Replacement, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, Universal, Each

Part Number: HLY-558-104

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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: Today

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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: Today

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Fuel Injection System Wiring Harnesses, Holley EFI, Multi-port Fuel Injection, Coil-on-Plug, Dual CANbus, for Holley HP, Dominator EFI, Universal, Kit

Part Number: HLY-558-117

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Intake Manifolds, EFI Hi-Ram, Multi-port, Single Plane, 2,500-7,500 RPM Range, Standard Deck, Aluminum, Satin, Ford, 4.7L, 5.0L, Windsor, Each

Part Number: HLY-300-276

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Intake Manifolds, Fuel Injected, EFI, Multi-port, Aluminum, Natural, Single-plane, Plenum, 4150 Square Bore Mounting Flange, Chevy, Small Block, Each

Part Number: HLY-300-260

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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

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Intake Manifolds, Holley EFI, Gen III Hemi, Single Plane, Multi-port, Aluminum, Satin Finish, Chrysler, Dodge, Jeep, Ram, 5.7L, 6.1L, 6.4L, Each

Part Number: HLY-300-930

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Intake Manifolds, EFI, Vortec Intake, Multi-port, 2,500-7,500 RPM Range, Cast Aluminum, Satin Finish, 4150 Flange, Fuel Rails, Chevy, 4.3-6.6L, Each

Part Number: HLY-300-263

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Intake Manifolds, Holley EFI, LS Mid-Rise, Single Plane, Rectangular Port, Multi-port, Standard Deck, Aluminum, Black Finish, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-136BK

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Fuel Injection System Components, Holley EFI, Main Harness, Plug-and-Play, Factory PWM/IAC Connectors, with OE Injectors, Ford, Mustang, 5.0L, Each

Part Number: HLY-558-128

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

Part Number: HLY-558-112

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Intake Manifolds, Strip Dominator, Pro-Jection TBI, High Rise, Dual Plane, Standard Deck, Aluminum, Satin Finish, Chevy, Gen I, 5.0L, 5.7L, Each

Part Number: HLY-300-66

3.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Intake Manifolds, Fuel Injected, EFI, Throttle Body Injection Style, Aluminum, Natural, Square Bore 4150 Style Mounting Flange, Chevy, Big Block, Each

Part Number: HLY-300-561

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Intake Manifolds, Fuel Injected, EFI, Throttle Body Injection Style, Aluminum, Natural, Square Bore 4150 Style Mounting Flange, Chevy, Big Block, Each

Part Number: HLY-300-563

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator EFI Systems, Model 550-405, 550-406, Each

Part Number: HLY-558-414

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Intake Manifolds, Holley EFI, LT1, Gen V, Ultra Lo-Ram, Multi-port Injection, 105mm Bore, Standard Deck, Aluminum, Black, Chevy, 5.3L, 6.2L, Each

Part Number: HLY-300-717BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Intake Manifolds, Fuel Injected, EFI, Throttle Body Injection Style, Aluminum, 4500 Style Mounting Flange, Rectangular Port, Chevy, Big Block, Each

Part Number: HLY-300-564

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Intake Manifolds, EFI, LS, Single Plane, Mid-Rise, Rectangular Port Head, Raised, 2,500-7,000 RPM Range, Aluminum, Satin Finish, Chevy, LS, 7.0L, Each

Part Number: HLY-300-269

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