Thread: 4.33 GM 12 Bolt Gears
View Single Post
  #1  
Old 03-27-2009, 08:09 AM
scuncio's Avatar
scuncio scuncio is online now
Yenko Contributing Member
  
Join Date: Oct 2000
Location: Michigan
Posts: 14,320
Thanks: 3,032
Thanked 7,665 Times in 3,413 Posts
Default 4.33 GM 12 Bolt Gears
I came across a set of original GM 12 bolt gears in a 4.33 ratio, P/N 3936481 and 3936482. Anyone know whether these have the 'COPO' heat treat?

Thanks
Tony
Reply With Quote
Click here to view all the pictures posted in this thread...