OS Giken

Diff Lab (OS Giken Australia) is the authorised importer, distributor and warranty agent in Australia for OS Giken, Japan. Diff Lab is the ultimate source for all things OS Giken, including Superlock LSDs, twin plate clutch kits, lightweight flywheels and premium fluids. Use the search box to enter your vehicle's model or select below.

 OS Giken for BMW OS Giken for Toyota
OS Giken for Nissan OS Giken for Mini
OS Giken for Mazda OS Giken for Porsche
OS Giken for Honda OS Giken for Subaru
OS Giken for Mitsubishi OS Giken Mercedes


Why buy direct from Diff Lab? Diff Lab is OS Giken Australia and holds the largest inventory of OS Giken products in the country. Here are some other reasons why Diff Lab is your source for OS Giken:
  • Diff Lab is an actual motorsport diff builder, not just an online retailer
  • Diff Lab can provide custom setup and advice of LSD units
  • Diff Lab is the repair agent in Australia for OS Giken
  • Diff Lab can provide the best price because we are the importer
  • Diff Lab knows how to setup your car so it drives really right.

OS Giken is the gold standard of limited slip performance. No other manufacturer has their patented thrust plates with reverse pre-load springs to provide the best possible turn-in for your vehicle. Only OS Giken grips like a locker, and turns like an open diff. This patented design is not available in any other LSD. If you're ready for the best, order your Superlock from Diff Lab today.