AVS throttle screw retainer

here are the pictures, the bushing is pushed in from the backside, with the tab locking in a slot that is molded in the carb to stop it from spinning when you're turning in the screw http://i1073.photobucket.com/albums/w383/tgholmes1/idlescrewretainer2.jpg

http://i1073.photobucket.com/albums/w383/tgholmes1/idlescrewretainer1.jpg

http://i1073.photobucket.com/albums/w383/tgholmes1/idle20screw20retainer203.jpg