diff gear change

[scotty]

hey any body got any info on putting 3.9? gears into a diff dont know alot about this upgrade any info would be great wat price am i lookin at,
just lookin for off the mark get up and go :D

[Generation Motorsport]

you would be looking around $1300, with new gears, inc gst, supplied and fitted and r+r diff. and remember you will need the speedo recalibrated.
cheers
GM