My Duster and S/P Cuda both have diagonal links and anti sway bars.
The Duster went 10.00 at 134.+ MPH on ET Street tires ladder bar and coil overs with the diagonal link, steady as a Lincoln on the street and strip
The Cuda has gone 8.86 at 150.+ MPH with no issues, it goes straight as a bullet, unless it spins on the line. 4 link with coil overs and diagonal link and anti sway bar mounted behind the Dana 60