They dont use stock lower bushings.
I bought gm metric g body rear control arm (78 Malibu, monte carlo etc) polyurethane bushings. I had to use a different center sleeve, but they worked out fine.

84 D150 440/727
79 /6 swb D150
1964 A100 window van. Just because it has spark plug tubes doesn't mean it's a Hemi.



If ya haven't been there, ya just wouldn't understand.