Bevel gear for Volkswagen gearbox 9x31, Key - disc

9x31gearbox pinion and ring gear
Bevel gear model disc key

Volkswagen originally had 3 different final gears for its Type 1 transmissions.
The shortest was 8x35, for a final ratio of 4.375
The intermediate was 8x33, for a final ratio of 4.125
The longest available was 8x31 for a final ratio of 3.875
Now the 9x31 ring and pinion gives you a final ratio of 3.444.
Perfect for letting a high-performance engine gain speed on the Motorway, or for cruising at low revs with a properly built, large-displacement engine.

For VW Combi Split, Beetle and derivatives.