Question about front diff
 

My friend gave me his true trac from the front axle of hi 90 f350 w/ dana 60, will it fil my dana 60 in my 02?? also he gave me 4.10's from his rear 10.25 will that work in mine too??

It should

http://www.motivegear.com/pages/cata...FFCAT_2006.pdf
Page 21 says the r&p is the same.

Pages 32/33 say the 10.25 and 10.5 have different part numbers for the gears, so I wouldn't trust they would fit.