OS Giken Nissan Z31 300ZX Long Nose R200 w/ 12mm Ring Gear Bolts SuperLock LSD where springs work in opposition

where springs work in opposition of torque being applied to the LSD

Replacement Clutch Cover (Aluminum/Steel) *Covers are not interchangable*

We have the ability to speed up or slow down differential action to allow the vehicle to achieve maximum traction

Replacement Clutch Friction Disc(s)

Requires SB041-ALT

OS Giken Nissan Z31 300ZX Long Nose R200 w/ 12mm Ring Gear Bolts SuperLock LSD where springs work in oppositionThe 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