Super Lock LSD, Porsche
Clutch-type LSD developed specifically against Porsche behaviour, aimed at removing the abrupt inertia-driven step a rear-engined car gives when a plate diff bites.
Drivetrain In production confidence: medium
Manufacturing
| Manufacturer | OS Giken (OS技研) |
|---|---|
| Origin | 🇯🇵 Japan Manufactured here OS Giken, Japan. |
| Process | CNC Machined |
| Additively manufactured | No |
| Material | 9310 Alloy Steel |
| Notes | OS Giken states material, development, design and manufacture are all carried out in Japan. Their stated design goal is balancing lock strength against predictability rather than maximising lock — a meaningful distinction on a car whose mass sits behind the rear axle. |
Fitment
| 964 | All models |
|---|---|
| 993 | All models |
| 996 | All models |
| 997 | All models |
Sources
- ポルシェ｜強化LSD「スーパーロックLSD」 — OS技研 (OS Giken), accessed 2026-08-17