Holley EFI- 522-668 66lb/hr Performance Fuel Injectors set of 8

Holley EFI

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Bosch/EV1 Style, Low Impedance Fuel Injectors Maximum Horsepower: 1050

Holley EFI 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. They are available from 19 to 160 lb/hr flow rates to accommodate a variety of vehicles. Holley EFI Fuel Injectors provide precision fuel delivery you can depend on.


  • Bosch/EV1 style performance injectors - Set of 8
  • Low impedance (2.2 Ohms) for use with peak and hold drivers
  • Rated injector flow: 66 lb/hr @ 43 PSI
  • Supports up to 1050 horsepower
  • Tri-cone spray pattern
Body Diameter 0.970
Body Length 2.85"
Body Style EV1
Brand Holley EFI
Connector Series EV1 - Jetronic - (Bosch Style)
Emission Code 3
Fuel Type E-85
Impedance Low (2.0 Ohm)
O-Ring to O-Ring 2.415"
Product Type Fuel Injector
Rated Injector Flow 66 lb/hr
UPC 090127666661
Part Number 522-668

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