Ford NP271 NP273 Transfer Case Rebuild Kit 1998-On This is a transfer case rebuild kit for the Ford New Process 271 / New Process 273 transfer case. This is a complete rebuild kit for a 1998-on Ford New Process 271 / New Process 273 transfer case. This is for the Super Duty with Manual Shift or Electric Shift. This kit comes with the (3) main roller bearings, (3) caged needles, planet washers, fork inserts, seals, o-rings and an adaptor gasket.