I JUST PUT IN THE HRPARTSNSTUFF UPPERS FOR THE REAR WITH POLY BUSHINGS. THEY ARE ALL TORQUED IN THERE, BUT THERE IS SOME PLAY BETWEEN THE ARM AND THE BUSHING AT THE REAR END HOUSING. IS THIS NORMALL? I'M NOT GONNA HEAR THEM SLAPPING TOGETHER WHEN I DRIVE AM i???? I CAN WIGGLE THE ARMS BACK AND FORTH A BIT ON THE BUSHING.