Availability
Holley Performance Carbs & More
Carburetor Power Valves, Replacement, Single Stage, High Flow, 3.5 in. Hg, Gaskets, Each
Part Number: HLY-125-135
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pressure Regulator Mounts, Billet Regulator Bracket, Fuel Pressure, Aluminum, Clearcoat Anodized, Universal Design, for Model 4150, 4160 Series, Each
Part Number: HLY-20-259
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fittings and Adapters, Spark Fitting, 180 Degree Times, NPT to Hose Barb, Straight, Brass, Natural, 1/8 in. NPT, 3/16 in. Hose Barb, Each
Part Number: HLY-26-59
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X MAX, Universal, 8-EV1 Injectors, 8-Coils, GM Drive-by-Wire, Tuner/Trans Control, Domestic, Pushrod Engine, Kit
Part Number: HLY-550-950
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Intake Manifolds, EFI LT1, Gen V, Hi-Ram, Direct Injection, 3,500-8,000 RPM, 105mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 6.2L, Each
Part Number: HLY-300-140
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel System Dampers, Billet Aluminum, Black Anodized, 40-100 psi, -6 AN Female Threads Inlet/Outlet, Standard Range, Each
Part Number: HLY-12-1008
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Transmission Controller, 6L80E Power Adder Compatible, GM Late ,Kit
Part Number: HLY-550-1634-6
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Carburetor Power Valves, Replacement, Single Stage, High Flow, 8.5 in. Hg, Gaskets, Each
Part Number: HLY-125-185
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Intake Manifolds, EFI, LS, Single Plane, Mid-Rise, Rectangular Port Head, Raised, 2,500-7,000 RPM Range, Aluminum, Black Finish, Chevy, LS, 7.0L, Each
Part Number: HLY-300-269BK
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Intake Manifolds, LS Mid-Rise, Standard Deck, Dual Carburetor, Dual Plane, 1,500-7,000 RPM Range, Aluminum, Satin Finish, Chevy, 6.0L, 6.2L, Each
Part Number: HLY-300-133
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel System Dampers, Billet Aluminum, Black Anodized, 40-100 psi, -8 AN Female Threads Inlet/Outlet, Standard Range, Each
Part Number: HLY-12-1009
Not Yet Reviewed
Estimated Ship Date: Jun 30, 2026 if ordered today
Estimated Ship Date: Jun 30, 2026 if ordered today
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Trans Control, Sensors, USB Cable, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit
Part Number: HLY-550-920T
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coil, O2 Sensor, Plug-and-Play, Tuner, Controller, Dodge, Chrysler, 5.7-6.4L, Kit
Part Number: HLY-550-1225
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Holley Terminator X MAX Engine Management Systems 550-1423
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Plug-and-Play, Analog Inputs, Controller, Chevy, Late LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1601
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Intake Manifolds, LS Split Design Carbureted, Single Plane, Aluminum, Black, 4-barrel Square Bore, Chevrolet, LS3, L92 Cylinder Heads, Each
Part Number: HLY-300-291BK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Carburetor Power Valves, Replacement, Single Stage, High Flow, 2.5 in. Hg, Gaskets, Each
Part Number: HLY-125-125
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Throttle Bodies, High-Flow EFI, Multi-Port Injection, 4 Venturi, 57.15mm, 2,000 cfm, Billet Aluminum, Dominator Mounting Flange, Each
Part Number: HLY-112-578
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT Drive-by-Wire, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1620
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1318
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-916T
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1216
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog Input, USB Cable, Chevy, LS, 5,7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-932T
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Throttle Bodies, High-Flow EFI, Multi-Port Injection, Cable Actuated, 4 Venturi, 44.45mm Bore, 1,000 cfm, Billet Aluminum, Square Bore Flange, Each
Part Number: HLY-112-577
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel System Dampers, Billet Aluminum, Black Anodized, 40-100 psi, -6 AN Male Threads Inlet/Outlet, Extended Range, Each
Part Number: HLY-12-1004
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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