Driveshaft Flange R180 Differential 1310 U Joint

New driveshaft to differential flange for R180 rear differential. This flange converts form R180 4-bolt pattern to modern 1310 series U-joint. If you are making a new driveshaft this is the flange to use. This flange will not work with stock Nissan U-joints.  Pilot hole size is 2.25" diameter for the flange to the diff.  

*See PT# 800-603 for stock U-joints