Street Master Reinforced Clutch, Porsche
Reinforced clutch built around the 964 RS single-mass layout, deliberately keeping a wide engagement band so it stays usable in traffic.
DrivetrainIn productionconfidence: medium
Manufacturing
| Manufacturer | OS Giken (OS技研) |
|---|---|
| Origin | 🇯🇵 Japan Manufactured here OS Giken, Japan. |
| Process | CNC Machined |
| Additively manufactured | No |
| Material | Chromoly Steel |
| Notes | Based on the 964 RS single-mass type; other variants need additional parts. Owner reports describe pedal effort close to standard and stable idle — the usual cost of a reinforced clutch is exactly those two things, so keeping them is the design claim. |
Fitment
| 964 | Carrera 2, Carrera RS |
|---|---|
| 993 | All models |
Sources
- 強化クラッチ「ストリートマスター」 - ポルシェ — OS技研 (OS Giken), accessed 2026-08-17