OS Giken Super Lock Limited Slip Differential Rear Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 Steel Tubing **Does not directly fit 2009+

**Does not directly fit 2009+ Lancer SPORTBACK or Lancer SPORTBACK Ralliart* without modification

which are OE or better

require high pressure to open and are not able to activate at light-load conditions

Installation hardware (where required)

OS Giken Super Lock Limited Slip Differential Rear Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 Steel Tubing **Does not directly fit 2009+Part #: TY421 HA OS Giken Has spent countless hours in research and development time to get their OS Super Lock LSD exactly where they wanted it. The OS Super Lock LSD miniaturized pressure ring and superior spline through side gear design allows for fitment of 28 plates, offering true 100% lock capability. When combined with the patented lock timing system the Super Lock LSD is able to lock in a quiet, smooth and progressive manner. The superior