Cam, here's what i see. You will do this 4.5 Stroker, then when you decide to go to tons (and countless threads), you'll go to a 5.3. Then after you are on tons, you'll want a 6.0. You are wasting your money. Just swap your motor with a low mile 4.0 or rebuild yours. Keep it cheap and simple. You don't need anything bigger than a 4.0.
@shanelee78 - "stay classy!"