Torque-Biasing Limited Slip Differential, 915 Gearbox (1974–77)
The 915-gearbox fitment of the same helical design.
Drivetrain In production confidence: medium
Manufacturing
| Manufacturer | Wavetrac (Autotech Driveline) |
|---|---|
| Origin | 🇺🇸 United States Manufactured here Autotech Driveline states design, development and manufacture in the USA. |
| Process | CNC Machined |
| Additively manufactured | No |
| Material | 9310 Alloy Steel |
Fitment
| g-series | All models (1974–1977) 915 gearbox; also covers the 930. |
|---|
Sources
- Wavetrac Limited Slip Differential / Porsche 915-18: 911, 930 1974-77 — MAPerformance, accessed 2026-08-17