120 lb/hr Performance Fuel Injector - Individual - 522-121 knock-sensors This component houses the counterbalance

This component houses the counterbalance weights and replaces the factory cast

1998-2008 Ford F-150 330 CID

Front entry plenum flange allows design & fabrication of special throttle body adapters or inlet ducts for custom installations

7L V8 1988 - 1991 GMC K2500 350/5

97-99 Cutlass

120 lb/hr Performance Fuel Injector - Individual - 522-121 knock-sensors This component houses the counterbalanceOverview: 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. Features: Bosch EV1 style