Put ALL of your power on the pavement! OS Giken's high-quality OS Super Lock Limited-Slip Differential is a progressive and fully-locking system that gives you ultimate performance and control. This extremely durable LSD has a revolutionary design that allows it to house an unprecedented number of friction plates. This is the preferred LSD by the fastest Lotus Cup Series racers and one of Shinoo’s absolute favorite powertrain upgrades. We introduced this to the US in 2010 !

Progressive & Fully Locking = Best Performance

• 12 friction plates

  • Stronger locking force

  • Machined on both sides simultaneously for tightest tolerances

  • Locks 100%

    • Generates less heat

    • Increased durability

• Patented pressure ring design

  • Progressive locking

    • Heightens control

    • Easier to throttle steer

    • Low locking preload

  • More compact allowing more space for friction plates

Best Materials & Construction = Super Durable

• Strong & compact pressure gears

  • Forged steel alloy

  • Heat treated for added durability

• Friction plates

  • Precisely machined steel alloy

  • Heat treated for added durability

• Outer housing

  • Billet steel alloy

  • Heat treated for added durability

Superb Engineering = Peace of Mind on the Street & Track

• No break-in period

• No rebuilds required

Model Compatibility:

• C64 Toyota 6spd Transmission

*Animated Explosion shows a slightly larger OS Super Lock model that is not compatible with C64 Toyota transmission.