You don't need to do a custom brake line. Here's a stock one you can use for gen I v6 montero's. Not sure if it works for the 2.6L models.
Bendex PN# 7764

Off Roader
98 Montero with the Winter Package
89 Montero minty clean and reserved for overlanding trips or Cars and Coffee events
96SR (3.15:1 xcase, 35's) gone to the rust gods
96SR Build Up Thread
Old web page
Old web page