Ford Powerstroke 7.3 7.3l INJECTOR o-ring, seals, oring kits complete set of 8 Go to amazon.com Related posts Top 14 best 7.3 injectors kit for 2022 Feature7.3L Injector O-Ring KitComplete set of (8) 6 packs of O-Ring Kits DescriptionO-Ring kit to re-ring eight powerstroke injectors. This kit contains all the necessary orings for 8 injector replacements.