Shellplate Bearing kit w/ Modified Sprocket for Dillon 550

Included with each option: Sprocket Kit: One Modified Sprocket Two Washers One Bearing One Delrin Ball Kit plus Longer Bolt: One Sprocket Kit One Longer Shellplate Bolt Longer Bolt: One Longer Shellplate Bolt   Smooth up the indexing with this kit on your 550!!! The ability to tighten the shellplate bolt more than normal, thanks to the bearing, helps eliminate the majority or perhaps all the slop and play in the shellplate. Convert the "FRICTION" surfaces to a "ROLLING BEARING" type. OEM Sprockets** are modified to accommodate the size of the bearing and allow clearance between shell plate bolt and die holder. The Low mass detent bearing provides additional "smoothness" while indexing with less energy hitting the bottom of the shellplate. Delrin(DuPont) Bearing will always be our number one choice as it is designed to take the abuse and not abuse the shellplate. Any material harder than the shellplate will end up "grooving" the shellplate on the bottom, making a nice "ring" like