There was a big write up in Mopar Action Magazine about the new 528 engines. Yes they are built by Barton, but they have to be ordered through a Chrysler dealer. They are using World blocks, MP/Edelbrock aluminum heads, Diamond pistons, K1 Carillo cranks and rods, and flat hydraulic cams by Barton (.540" lift 242 duration at .050" lift. The rocker gear is the same as before (RAS stands, stock wide pad iron rockers). The intake is a Barton single plane, single four barrel. Not sure if it's taller than the existing single 4, 2 plane intake. If it's not, I sure would like to put one on mine. All the components are inspected before assembly (unlike the past) and it looks like they are built in batches. They also have to meet a horsepower target which the article said that Barton is surpassing the target numbers.

Haven't heard anything about the durability, but it looks like a stout piece, far and away better than the previous version.