Availability
Air/Fuel Delivery Parts for Carbureted & Fuel Injected Engines
Wiring Harnesses. Holley EFI, Replacement, Wideband O2 Adapter Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each
Part Number: HLY-558-463
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, Shiny, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1020
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Components, Holley EFI, Module Only, CAN Input/Output, for Holley EFI Systems, HP, Dominator, Terminator X, Kit
Part Number: HLY-554-166
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems, Go EFI 2x4 1200 HP Bright Aluminum EFI Adder
Part Number: FIF-30065
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Go EFI 8 Power Adder Plus 1200HP, Throttle Body, Satin Black, Injectors, ECM, Kit
Part Number: FIF-30012
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1061
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wire Harnesses, Sniper 2 EFI, Input/Output Harness, Throttle Body Injection, Speed Density Metered, 6-pin Female Connector, Each
Part Number: SNE-558-497
Estimated Ship Date: Today
Estimated Ship Date: Today
Wire Harnesses, Sniper EFI, Input/Output Harness, Throttle Body Injection, Speed Density Metered, 10-pin Male Connector, Kit
Part Number: SNE-558-491
Estimated Ship Date: Today
Estimated Ship Date: Today
Go EFI 8 1200 HP Bright Aluminum Finish System
Part Number: FIF-30013
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Power Module, Fuel Injection System Component, Atomic EFI TBI, Each
Part Number: MSD-2911
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 450 HP Max, SB Chevy with Vortec or E-Tec heads, Kit
Part Number: EDL-35820
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, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, Pre 1986 Small Block Chevy, Kit
Part Number: EDL-35810
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 450 HP Max, Pre 1986 Small Block Chevy, Kit
Part Number: EDL-35790
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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 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, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, Pontiac 326-455, Kit
Part Number: EDL-35980
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Black Powdercoat, 675 HP Max, Gen III/IV Rectangle Port, Kit
Part Number: EDL-35893
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, 550 HP Max, 1965 and Later BB Chevy Rectangle Port, Kit
Part Number: EDL-35873
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, 450 HP Max, SB Chevy with Vortec or E-Tec heads, Kit
Part Number: EDL-35823
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Dual Throttle Bodies, Satin, 825 HP Max, Gen II Hemi, 426-572, Kit
Part Number: EDL-35670
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems, Go EFI 4 600 HP Power Adder Bright Aluminum EFI System
Part Number: FIF-30006
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered 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, 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: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, 1965 and Later BB Chevy Rectangular Port, Kit
Part Number: EDL-35870
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1060
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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