Adapter for fitting "short" injectors in applications that use long injectors such as RS4 injectors in the B5 S4, also works for fitting later style TT injectors in AEB applications, short injectors in Audi I5 applications, etc.
These adapters also allow use of injector clips to securely attach the injector to prevent any possibility of leaks.
Price is for a set of 4 adapters, includes injector o-ring seals.