Torque-Biasing Limited Slip Differential, 915 Gearbox (1974–77)

The 915-gearbox fitment of the same helical design.

← Back to g-series results

Published fitment
g-series · See fitment notes (1974–1977)
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

ManufacturerWavetrac (Autotech Driveline)
Origin🇺🇸 United States
Manufactured here
Autotech Driveline states design, development and manufacture in the USA.
ProcessCNC Machined
Additively manufacturedNo
Material9310 Alloy Steel

Fitment

g-seriesAll models (1974–1977)
915 gearbox; also covers the 930.

Sources

  1. Wavetrac Limited Slip Differential / Porsche 915-18: 911, 930 1974-77 — MAPerformance, accessed 2026-08-17