Here at Boost Lab we can upgrade turbochargers to custom specs. The following are turbochargers we recently did for S&R Performance for the GamerModz 350Z. We started off with your basic TD06 turbochargers and upgraded the compressor wheels to 60-1 and machined the compressor housing to match.

Before:


After:




Closeup of our machine work:




If you are interested in any turbocharger upgrades please email me @ kirk@theboostlab.com