When I swapped my NP200 out for a NP205, I lost the parking brake. I thought about putting all the NP200 drum parts onto the NP205 until I learned about the 14 Bolt backing plate conversion. The 14B has built in cable parking brakes. Others here have done it, so I started by tracking down the parts. There are different size brakes on the 14B so you need the 13" version.

Lots of info here about the 14B axle and what vehicles they are found on:

http://pirate4x4.com/tech/billavista...ble/index.html