120 lb/hr Performance Fuel Injector - Individual - 522-121 knock-sensors 7L V8 1988 - 1991

7L V8 1988 - 1991 GMC K2500 350/5

This component houses the counterbalance weights and replaces the factory cast

It is CNC machined from light weight billet aluminum with weight saving pockets throughout

Fueling System Overview: The 2

120 lb/hr Performance Fuel Injector - Individual - 522-121 knock-sensors 7L V8 1988 - 1991Overview: 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