I feel for you guys. I am a mechanic and this year put one side of the billet injector hold downs in my truck for the injectors. Yea didn't do the other side cause I fookin hate working on my truck. Then got a good idea as to upgrade the turbo and once again nothing fit right and cussed through the whole thing. Sigh. I hate working on the engine of my duramax. Its so freakin time consuming.