1. jack up the rear of the car.
2. take the wheel off
3. un bolt the bottom bolt of the shock
4. use pry bar to pull spring free
5. put new spring in
6. use another jack to jack up the lower mount on the drum to put the shock back in place
7. put bolt back in and wheel on and enjoy
Fronts are not worth putting in if u get the H&R springs it will look alot lower in the front apposed to the rear