OS Giken BMW E46/E9x M3 SuperLock LSD We combine our race technology

We combine our race technology in addition of our unique floating pressure system to provide a smooth and chatter-free driving experience

Ramps -38/25

The OS LSD standard spec allows for low preload while still retaining a fully progressive 100% lock capability

Nissan 300ZX (Z31) -  VG30E Turbo

Release Bearing Assembly Included

OS Giken BMW E46/E9x M3 SuperLock LSD We combine our race technologyThe 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