VAC Motorsports is offering this "Automatic Torque Biasing Differential" manufactured by world renown Quaife of the UK, the leader in High performance LSDs. This Helical gear driven LSD technology enables smooth performance and predictably, varying the power to the rear wheel that has the most traction automatically.
An ideal LSD for both the track or the street, without the noise, chatter or heat of a clutch pack type LSD and without the specialized gear oil requirements.

**Please note**
• As the master importer for Quaife, we have special machinery, techniques and hardware for fitting this and other LSDs into your OEM differential! No more waiting and overpaying for early cores, buying extra kits, and no downtime as you send your diff out!
  We stock pre-built complete diffs with Quaife LSD installed! Just call or email.

  We price match wherever possible! We also stock pre-built complete differential housings with Quaife LSD installed! VAC is North America's master Quaife-BMW dealer and installer. Quaife's lifetime warranty is always honored.