Availability
Fuel Injection Systems
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, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit
Part Number: SNE-550-511-5XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Go EFI 650 HP, Self-Tuning, Throttle Body, ECM, Black, Kit
Part Number: FIF-30021
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Ultra Ram, 800HP, Multi-Port, Chevy, Big Block, Rectangular Port, Kit
Part Number: FIF-38302
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems, Terminator X, Stealth 4500, 2x4 EFI, Eight Injector, Dual Throttle Body, Speed Density, Aluminum, Black, Tunable, Kit
Part Number: HLY-550-1081
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, Black Plasma Coated, 450 HP Max, 289, 302, Small Block Ford, Kit
Part Number: EDL-35930-BP
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered 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: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 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, Ultimate LS EFI, 750 HP, LS1/LS2/LS6, With Transmission Controller, With Inline Fuel Pump, Kit
Part Number: FIF-71004
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, 550 HP Max, V8, AMC, Jeep, Kit
Part Number: EDL-35650
Estimated Ship Date: Today
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, Self-Learning, Sequential Multi-Port, Satin, 825 HP Max, 1965 and Later BB Chevy Large Oval Port, Kit
Part Number: EDL-35840
Estimated Ship Date: Today
Estimated Ship Date: Today
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
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, Bluetooth, Ford, Kit
Part Number: SNE-550510BPXSBF
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 825 HP Max, 1965 and Later BB Chevy Rectangular Port, Kit
Part Number: EDL-35880
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 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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, EZ-EFI 2.0 Self-Tuning, Black Anodized Throttle Body, 4-barrel Square Bore Flange, Kit
Part Number: FST-30400-KIT
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit
Part Number: SNE-550-511-5AX
Not Yet Reviewed
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
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, Black Powdercoat, 550 HP Max, Gen III/IV, Cathedral Port, Kit
Part Number: EDL-35733
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered 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
Fuel Injection Systems, Terminator X, Stealth 4500 EFI, Eight Injector, Throttle Body, Speed Density, Aluminum, Shiny, Tunable, Kit
Part Number: HLY-550-1070
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered 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, MAX EFI LS 750 KIT (LS1), Low Profile, 102mm Throttle Body, Satin, Kit
Part Number: SUM-240511-L102S
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster