Differential Mount Bolt Front R180 R200 240Z 260Z 280Z

New rear differential mount bolt and nut for Datsun 240Z, 260Z and 280Z.  This bolt and nut is a stock replacement.  Two needed for the mount.  This bolt goes through the nose of the differential and into the mount.  M12 fine thread lock nut.  This bolt can also be used with our replacement billet aluminum diff mount.