The ones that got my motor were the "new and improved" ones. Absolute junk in my opinion. I will never run another COMP product as long as I live thanks to the rude customer service I received from them
and whos cam do you have in your truck? chances are comp ground it get it out!!! haha J/K
im on the patriot extreme golds with a .623 lift cam
old mod list: H/C/I/N/E/G 408
new mod list: 5.3, gears/posi, mufler and tune : (