NJ shop with experience on KAAZ diff?
 

my car has this diff and its set up for drag racing. but i want to adjust it to road racing and loosen the diff.
any shops with experience doing it that you can recommend?

i found these articles about KAAZ that are interesting:

http://www.sportcompactcarweb.com/pr...8scc_proj350z/

http://www.sportcompactcarweb.com/ro...0405scc_nismo/

http://www.driftfactory.com/lsdinstall.php