Widely Fitment -- Designed for Replacing Teflon Seals for Most Hitachi, Bosch, Continental and Delphi Single and Double Sealed Fuel Injectors Found for Many Ford, GM and Subaru Engines. It also works for many Ford ECO injectors with direct injectors. Strong Compatibility -- For GM 2010 and later 1.4L, 1.5L, 2.0L, 2.4L, 2.5L, 3.0L, 3.6L, 4.3L, 5.3L, and 6.2L engines. For GM 2010-2017 2.0L, 2.5L, 3.6L, 5.3L & 6.2L engines. For Subaru 2014-2019 2.0L & 2.4L turbo engines. For Ford Injectors 2011 and newer. Easy to Operate -- .