can anyone de-code my 9" rear!

[12sec67]

not mine but my buddy 10secgoal purchased a 9" and now he is trying to figure out what drums/brakes he needs to get and what from what year.

here it goes....

WDM-CO IHI7 275 9 S31 OC

THANKS FOR THE HELP!

 

[Glen's 1965 5.0]

ID

Check out www.ultrastang.com for great 9" info and other mods.

 

[D.Hearne]

First you need to measure the bolt pattern at the backing plates. Waht ever you go looking for needs to have that same bolt pattern. There are 3-4 different bolt patterns for the backing plates on 9" rears.