OS Giken BMW E30 M3 SuperLock LSD If you are well below

If you are well below 80% of the clutch capacity maximum

Nissan Skyline RB Engine w/ 26 Spline Gearbox

This technology was driven from our racer's demand for a lighter clutch during long endurance races in Japan

Nissan Fairlady/240Z (S30) - L6  (Datsun R180)

OS Giken BMW E30 M3 SuperLock LSD If you are well belowThe 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