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Holley EFI

Terminator X Performance Fuel Injectors - Set of Eight

PICO/EV6 - 220 lb/hr - High Impedance

Part # 522-228X Be the first to write a review
Estimated Ship Date: 09/30/2022
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This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

See Emissions Details
Terminator X High Impedance Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp o-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors. With a wide variety of fuel flow offerings from 42 lb./hr. to 220 lb./hr. (441 cc/m to 2310 cc/m) you are sure to find an injector that matches your non-emissions controlled application. These high quality fuel injectors can also be used with any ECU that utilize high impedance fuel injector drivers.


  • PICO/EV6 style performance injectors – sold individually or set of 8
  • High impedance for use with saturated drivers
  • Rated injector flow 220 lb./hr. at 43 PSI of base fuel pressure.
  • USCAR injector connector
  • 40mm o-ring to o-ring length
  • Compatible with many OEM LS Intake Manifolds: LSA, LS3, LS7, L76, L92, L98, L99, LS9
  • Easy to install in any Holley EFI Hi-Ram intake, using the 300-230 fuel rail adapter kit
  • Methanol compatible – for use in extreme horsepower applications

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

Body Diameter0.650
Body Length1.85"
Body StyleEV6
Brand Holley EFI
Connector SeriesUSCAR - EV6
Emission Code3
Fuel TypeE-85
ImpedanceHigh (12.2 Ohm)
O-Ring to O-Ring1.421
Product TypeFuel Injector
Rated Injector Flow220 lb/hr
Part Number522-228X

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Holley EFI Dealers
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These injectors are rated at 43psi base fuel pressure. High Base Fuel Pressure is not recommended.

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.