Peace, mercy, and blessings of God be upon you. We have available: GM Denali engine 2014, engine size 6.2. Fits Denali and Cadillac from 2007 to 2014. Original engine, guaranteed. Original, without DOD oil module. The best thing is that it comes with short lifters that last a lifetime. It doesn't have the problems of long lifters. And it has a two-month warranty. You are welcome at Manba Al-Deera Center.