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.

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Published fitment
964 · See fitment notes
993 · See fitment notes
996 · See fitment notes
997 · See fitment notes
Recorded availability
In production. Confirm with the supplier.
Recorded price
No published price recorded

View supplier page ↗

Reported by a secondary source. Sources last accessed ; fitment is not independently verified.

DrivetrainIn productionReported by a secondary source

Manufacturing

ManufacturerOS Giken (OS技研)
Origin🇯🇵 Japan
Manufactured here
OS Giken, Japan.
ProcessCNC Machined
Additively manufacturedNo
Material9310 Alloy Steel
NotesOS 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

964All models
993All models
996All models
997All models

Sources

  1. ポルシェ|強化LSD「スーパーロックLSD」 — OS技研 (OS Giken), accessed 2026-08-17