The suspension for my 2002 Sport Trac (2 wheel
drive) has always seemed to be very stiff making
for a rough ride. Is there anything I can do to soften
the ride? Maybe an after market kit? It's a great
truck and I plan to keep driving it.
You could visit a suspension shop and get softer springs/struts. Another, more effective way is to replace the tires with ones that have a taller aspect ratio: Instead of a 235/70R16, go to a 255/70R16 or a 235/75R16. Either of these tires will give you a little softer bounce.