i did a timing chain kit repair on my cadillac ats 2.0t. i replace all timing chain components and everything was torqued to spec 30,000 miles later i start my car up and it breaks completely destroying my valves and pistons and yes i did proper maintenance, now i’m out of 10 grand for a engine i advise everyone to stay any from all of their parts quality went down hill alot save your the headache and just go oem now me and my kids are out of a car i would trade it in but i still owe more than it worth