OS Giken Super Lock Limited Slip Differential Rear Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 Steel Tubing a mono block guide and

a mono block guide and seal package reduces the friction of the damper as well as protecting it against corrosion and dirt

*** NOTE *** Oil squirter modification needed for Asymmetrical FSR

This intake features Injen's patented MR Technology which is a tuning process that keeps air/fuel ratios within OE tolerances

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

which are OE or better

OS Giken Super Lock Limited Slip Differential Rear Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 Steel Tubing a mono block guide andPart #: 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