For sale is a Wehrs Machine WM307 single sided aluminum pinion mount for a J-bar.  This is 3 3/4" center of the pinion to center of the j-bar.  It is complete with the bolt, climber and rear nut.  The seal is excellent and the rear seal is there as well.  No damage or erosion to the climber.  Nice mount.  Thanks for looking and as aways I combine shipping when possible.