Availability
EFI Kits, Fuel Injectors, Throttle Bodies & More
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Returnless Pump, PDM, 5 in. Display, Kit
Part Number: SNE-550-511-5PD
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Holley EFI, Main Harness, 58X LS TBI, for Terminator, Terminator Stealth, Throttle Body Systems, Chevy, Each
Part Number: HLY-558-112
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1022
Not Yet Reviewed
Estimated Ship Date: Today
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Return Style Pump, PDM, 5 in. Display, Kit
Part Number: SNE-550-510-5PR
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Touch Screen Upgrade, 3.5 in. LCD, Fast EZ-EFI, Each
Part Number: FST-170633-06KIT
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 450 HP Max, Gen III & IV LS Cathedral Port, Kit
Part Number: EDL-35700
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Go EFI 4 600 HP Self-Tuning, Throttle Body, Polished, Injectors, ECM, Kit
Part Number: FIF-31001
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Retro LS EFI 650 HP Self- Learning, Throttle Body, Injectors, ECM, with Transmission Controller, Kit
Part Number: FIF-37001
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Holley EFI, Ford 2V/4V Modular, Main Harness, Multi-Port Fuel Injection, for Holley Smart Coils, HP EFI System, Ford, 4.6-5.4L, Each
Part Number: HLY-558-113
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Gold, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1062
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Shiny, Trans Control, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1028
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Ultimate Rebel LS 500 HP EFI, Short Intake, without Transmission Controller, Chevy, LS1/LS2/LS6, Kit
Part Number: FIF-70088
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 5.0 in. Display, Ford, Kit
Part Number: SNE-5505105PXSBF
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Return Style Pump, PDM, 3.5 in. Display, Kit
Part Number: SNE-550-510-3PR
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Gold, Trans Control, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Returnless Pump, PDM, Bluetooth, Kit
Part Number: SNE-550-510-BPD
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Black Powdercoated, 450 HP Max, Pre 1986 Small Block Chevy, Kit
Part Number: EDL-35793
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit
Part Number: TSN-WH1200
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Ultimate LS EFI, 750 HP, LS1/LS2/LS6, With Transmission Controller, Kit
Part Number: FIF-70004
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Ultimate LS 500 HP, Multiport, Cathedral Port, In-Tank Pump, LED Coil Packs, Trans Controller, Kit
Part Number: FIF-79602
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Fuel Injection System, Ultimate LS 750 HP, Tall Intake for Truck Accessories Cathedral Port, In-Tank Pump, LED Coil Packs, Trans Controller, Kit
Part Number: FIF-79609
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Fuel Injection System, Ultimate LS EFI, 1,000 HP, Short Cathedral Port, LS1/LS2/LS6, With Transmission Controller, Kit
Part Number: FIF-70031
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Fuel Injection System, Ultimate LS EFI, 500 HP, LS3/L92, Without Transmission Controller, With Inline Fuel Pump, Kit
Part Number: FIF-71011
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, Gen III & IV LS Cathedral Port, Kit
Part Number: EDL-35730
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 675 HP Max, Gen III & IV LS Rectangular Port, Kit
Part Number: EDL-35750
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
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