Control Arm Bush Set: REAR 1965-68 Full Size Chev/Paris - RUBBER- 4 cars w/2 Upr ArmsThis is Rubber with the shells.. not polyurethane.. This is 8 of the Same Size Bush. This is e like the originals made of rubber formulated 50 60 years later.. while it should outlast most of us under normal driving conditions.. todays "rubber" is likely to be found softer then it was when the car was new. This is the rear upper and lower control arm kit for the 65 68 Full Size Chevy Belair or Impala or Pontiac Parisienne or Laurentian. This kit is