Simply insert the tool into the injector retainer bracket bolt hole, attach a socket and ratchet/breaker bar to one of the hex ends and start rocking back and forth - the injector will pop right out.
for GM Duramax 6.6L Injector Puller + 7222 Injector Tube Remover Installer Kit
For GM 6.6 Diesel 6778&6779 Injector Puller+7222 Injector Tube Remover/Installer
6778&6779 Injector Puller+7222 Injector Tube Remover/Installer For GM 6.6 Diesel
Injector Puller + 7222 Injector Tube Remover Installer Kit for GM Duramax 6.6L
