Body Mount Bushings

I’ve been putting off replacing mine but am going to break down and do it over the next couple of weeks since my work schedule is pretty light until after the first of the year.
How big of a PITA is this?
Mine are probably the factory ones and they are shot!
The plan is to go with some polyurethane ones from Energy Suspensions.

 

Helped my bro do this last week on his Silverado. Unbolt one side bushings jack up with floor jack enough to remove the old ones then install the new ones let the jack down put bolt back in. Took 30 mins to replace them all. Use lots of grease

 

Did you get this done?

 

No, ended up selling the truck.