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Terminator EFI 4bbl Throttle Body Fuel Injection Master Kit - Hard Core Gray

SKU: 550-406K

Availability: In stock

Handling Time: 30 Days


Terminator EFI 4bbl Throttle Body Fuel Injection Master Kit - Hard Core Gray

Terminator EFI 4bbl Throttle Body Fuel Injection Master Kit V8 4 bbl 950 cfm Range 250 To 600 HP

Holley is proud to announce the release of their Terminator EFI Throttle Body Injection Master Kits. These complete kits include the 4BBL Terminator EFI Throttle Body Injection System w/ 3.5" Color Touch Screen + EFI Conversion Fuel System. They are compatible with naturally aspirated V8 engines from 250-600 horsepower. With everything in a single box, these kits make it easier than ever to convert your carbureted vehicle to reliable fuel injection!


  • Fits V8 engines from 250-600 horsepower
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  • 4150 style 4BBL mounting flange - Bolts on in place of carburetor
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  • Available in Polished and Hard Core Gray finishes
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  • Fully self-tuning ECU - No laptop required
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  • Includes full color, 3.5" touch screen LCD for both basic and advanced tuning options
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  • Complete fuel system included with pump, filters, 40 ft. of hose, billet regulator, and fittings including the return line bulkhead fitting
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  • Timing control option for GM Small Cap HEI and Ford TFI distributors
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  • Connections for Ford, GM TH350, 700R4 and other transmission linkages
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  • Optional free software upgrade for full laptop control
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  • Easy plug and play harnesses with minimal connections
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  • Full color instructions included with user friendly wiring and fuel system diagrams
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  • Industry leading tech support "FREE!

Installation Note:


  • Brand: Holley EFI
  • CFM: 950
  • Emission Code: 3
  • Finish: Hard Core Gray
  • Flange Size: 4150
  • Fuel Pressure: 43 Psi
  • Height: 3 Inches
  • Injector Size: 80Lb/Hr @ 43PSI
  • Product Type: Universal Terminator TBI kit
  • Throttle Bore: 1.750 inch