truck has parkensance

[still runs]

truck likes to shake and vibrate between 50 and 60mph after 60 it settles down and but you can still feel it some ive kecked the drive shaft the universials rebalanced the tires and nothing helps i dont feel it in the wheel its just the truck any help would be great

[kclough]

Check your suspension up front. I lifted a jeep for a friend and we didn't have the track bar tight enough and on the highway it would shake as soon as it hit 55. So we call the company and they said go tighten all your bolts and it should fix the issue