2011-2016 LML Duramax Seal Kit (O-Ring and Copper Gasket) (Set of 8) - E05 10501

Are you doing head gaskets and don't want to reuse the original injector seals? You are making the right choice. Replacing the injector seals is cheap insurance you won't have an issue when you get the truck back together. Don't risk having to do the job twice.