R180 R160 Differential Stub Axle Bolt OEM 240Z 260Z 280Z

New stub axle bolt for R160 and R180 differentials.  Two different lenghts of bolts depending on which style of axle you have.  If you hvae a 4-bolt flange axle the PT# 800-299 is the correct bolt.  If you have a complete axle assembly without the 4-bolts you will need PT# 200-723.   The OEM Nissan bolt (200-723) has an under head length of 112mm.  The aftermarket bolt (800-299) has an under head length of 100mm.  See pictures for more details.