When doing a rear disc conversion on ABS drum brake Honda civic, you need the proportion valve part number 46210-s04-852.
A link to the part online:
http://www.hondapartsnow.com/genuine/ho ... 4-852.html
On local Honda civic 97-98 SiR it has a H at the end, and on 99-00 SiR it has a L at the...