Locking Differentials, Positraction, etc.

donald w. miller

New member
Jun 24, 1998
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Off road, sometimes, it seems I could use a little more traction.

Some form of differential locking would help and I think a manual locking
device would probably be better than positraction in our application.

An ARB manual locker might be a possibility.
http://www.off-road.com/jeepzj/arb/arb1.htm

ARB now makes a manual locker for the GM 12 bolt case with 30 spline 1.30"
diameter axles.
For 3.07 gears that part number is RD11.

Anyone know the measurements of our axles or have axles available to measure
spline diameter and count splines ?

Anyone know if this will work or of something else that might?

Don