EFI Kits, Fuel Injectors, Throttle Bodies & More

Fuel Injection Systems, Sniper EFI, Stealth 4150, 1250 HP Max, Throttle Body, Black, 4150 Flange, Injectors, Wiring Harness, Tuner, Kit

Part Number: SNE-550-877

5.0 out of 5 stars ( 4 )

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Fuel Injection Systems, Sniper EFI, Stealth 4150, 650HP Max, Throttle Body, Shiny, 4150 Flange, Injectors, Fuel Pump, Regulator, Harness, Tuner, Kit

Part Number: SNE-550-870K

4.88 out of 5 stars ( 8 )

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Fuel Injection Systems, Terminator X Max, Stealth 4150 EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Tunable, Trans Control, Kit

Part Number: HLY-550-1012

3.0 out of 5 stars ( 2 )

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Fuel Injection Systems, Sniper EFI, Stealth 4150, 650 HP Max, Throttle Body, Polished, 4150 Flange, Injectors, Wiring Harness, Tuner, Kit

Part Number: SNE-550-870

4.44 out of 5 stars ( 9 )

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Fuel Injection Systems, Terminator X, Stealth 4150, 2x4 EFI, Eight Injector, Dual Throttle Body, Speed Density, Aluminum, Shiny, Tunable, Kit

Part Number: HLY-550-1074

1.0 out of 5 stars ( 1 )

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Throttle Bodies, Universal, 4150 Flange, 4-Barrel, Multi-Port Injection, Cable Actuated, 1,000 cfm, Aluminum, Polished, Each

Part Number: HLY-112-588

3.85 out of 5 stars ( 13 )

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Fuel Injection Systems, Terminator X, Stealth 4150 EFI, Four Injectors, Throttle Body, Speed Density, Aluminum, Black, Tunable, Kit

Part Number: HLY-550-1002

4.8 out of 5 stars ( 5 )

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Fuel Injection Systems, Terminator X Max, Stealth 4150 EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Tunable, Trans Control, Kit

Part Number: HLY-550-1011

5.0 out of 5 stars ( 1 )

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Fuel Injection Systems, Terminator X, Stealth 4150 EFI, Eight Injectors, Throttle Body, Speed Density, Aluminum, Black, Tunable, Kit

Part Number: HLY-550-1005

1.0 out of 5 stars ( 1 )

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Fuel Injection Systems, Sniper EFI, Stealth 4150, 650 HP Max, Throttle Body, Gold, 4150 Flange, Injectors, Fuel Pump, Regulator, Harness, Tuner, Kit

Part Number: SNE-550-872K

5.0 out of 5 stars ( 6 )

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Fuel Injection Systems, Sniper EFI, Stealth 4150, 650 HP Max, Throttle Body, Black, 4150 Flange, Injectors, Wiring Harness, Tuner, Kit

Part Number: SNE-550-871

4.67 out of 5 stars ( 6 )

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Fuel Injection Systems, Sniper EFI, Stealth 4150, 650 HP Max, Throttle Body, Gold, 4150 Flange, Injectors, Wiring Harness, Tuner, Kit

Part Number: SNE-550-872

3.33 out of 5 stars ( 3 )

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Fuel Injection Systems, Terminator X, Stealth 4150 EFI, Four Injectors, Throttle Body, Speed Density, Aluminum, Gold, Tunable, Kit

Part Number: HLY-550-1003

5.0 out of 5 stars ( 1 )

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Fuel Injection Systems, Terminator X Max, Stealth 4150 EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Gold, Tunable, Trans Control, Kit

Part Number: HLY-550-1013

5.0 out of 5 stars ( 1 )

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Fuel Injection Systems, Sniper EFI, Stealth 4150, 650 HP Max, Throttle Body, Black, 4150 Flange, Injectors, Fuel Pump, Regulator, Harness, Tuner, Kit

Part Number: SNE-550-871K

3.11 out of 5 stars ( 9 )

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Fuel Injection Systems, Terminator X, Stealth 4150, 2x4 EFI, Eight Injector, Dual Throttle Body, Speed Density, Aluminum, Gold, Tunable, Kit

Part Number: HLY-550-1076

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Throttle Bodies, Universal, 4150 Flange, 4-Barrel, Multi-Port Injection, Cable Actuated, 1,000 cfm, Aluminum, Gray Anodized, Each

Part Number: HLY-112-587

5.0 out of 5 stars ( 3 )

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Fuel Injection Systems, Terminator X, Stealth 4150 EFI, Four Injectors, Throttle Body, Speed Density, Aluminum, Shiny, Tunable, Kit

Part Number: HLY-550-1001

3.0 out of 5 stars ( 2 )

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Fuel Injection Systems, Terminator X Max, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Aluminum, Black, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1064

5.0 out of 5 stars ( 1 )

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Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1021

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Throttle Bodies, Terminator X, Stealth 4150 EFI, Cable Actuation, Air Valve, for MPFI Manifolds, Cast Aluminum, Black Finish, GM TPS Sensor, Each

Part Number: HLY-534-308

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Fuel Injection Systems, Terminator X Max, Stealth 4150 EFI, Eight Injector, Throttle Body, Speed Density, Aluminum, Black, Tunable, Trans Control, Kit

Part Number: HLY-550-1015

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Fuel Injection Systems, Terminator X Max, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Aluminum, Gold, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1065

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Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Black, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1029

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Throttle Bodies, Terminator X, Stealth 4150 EFI, Cable Actuation, Four Injectors, 100 lb/hr, Cast Aluminum, Black Finish, Includes Sensors, Each

Part Number: HLY-534-293

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