Trax are out in Hopper Crossing so a fair way away from SE Melbourne.
Double Black Off Road (DBOR) are out Moorabbin way.
Double Black Off-Road Pty Ltd
Unit 17 / 150 Chesterville Road
Moorabbin, VIctoria 3189
http://www.doubleblackoffroad.com/
USA 4x4 are also good I have heard
USA 4X4 Pty Ltd
14 Fonceca Street
Mordialloc VIC 3195
https://www.usa4x4.com/
I recently had DBOR fit two new front shocks - quick job.
They are Wrangler specialists and do servicing as well as mods