Nissan 350Z Z33 / 370Z Z34 OS Giken SuperLock LSD

OS Giken SuperLock LSD for Nissan Z33/34 350Z/370Z (Replaces OEM Non-LSD) - NS112-HA
The OS Giken Super Lock LSD uses our patented pressure ring design that allows for smooth, progressive locking. This design is a spline-through-side-gear design that allows for fitment of more friction plates (up to 2x as many as competitors versions).
 
All components are chemically heat treated for maximum durability
All components are constructed from a high-grade steel alloy
Gears are raw-forged for maximum strength
Clutch disks are precision-machined simultaneously on both sides to extremely tight tolerances resulting in minimal warpage.
LSD case is machined from a single billet piece to ensure uniformity.
 
The OS LSD standard spec allows for low preload while still retaining a fully progressive 100% lock capability. Operation is quiet and the progressive locking allows for smooth predictable locking. When replacing an open diff, equipping an
 
OS LSD will completely improve the driving experience while maintaining everyday drivability.
 
Fitment
Nissan 350Z - VQ35DE/HR (Non-LSD; internal circlip type)
Nissan 370Z - VQ37HR  (Non-LSD; internal circlip type)
 
Specification
Ramps - 25/38
Lock Timing - 336
Total Plates - 20
Preload - 12S
 
Installation Notes
Refer to OEM Service Manual for install