Yukon Gear & Axle. Positractions.

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Zip Locker Air operated locker provides on-demand traction Forged case & 4320 internals for added strength Works with a variety of air-delivery systems Assembled in the USA!
Grizzly Lockers Available for Ford 9” in 28 & 31 spline applications Patent pending design reduces common failures 8620 internals for added strength Assembled in the USA!

GM 8.5”/10 bolt (3 series in 28 and 30 spline).

GM 12 Bolt passenger (3 and 4 series in 30 & 33 spline).

Ford 8.8” (28 & 31 spline).

Aggressive 4 spring, Raybestos® composite clutch style positraction for long life.

Provides smooth operation with strong lock-up ability to transfer torque to the tire with the most traction.

Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth.

Rebuildable which enables the user to modify or repair normal wear without having to incur the cost of a brand new unit.

Available in 2 performance ratings (Street & Race).

Ford 9” in 28 & 31 spline, Street & Race Aggressive.

Ford 8” in 28 & 31 spline, Street & Race Aggressive.

Uses Raybestos® clutches for long life.

Rebuildable to enable users to modify or repair normal wear without having to incur the cost of a brand new unit.

Billet steel left case half for increased strength. This eliminates most common case failures found on other brands.

Internal gears are manufactured using forged 4320 steel and match OEM tooth profile.

Available in 2 performance ratings (Street & Race).

Dana 44 – 3 & 4 series.

GM 55 Passenger – 3 series.

Dana 50.

Dana 60 (3 & 4 series – 30 & 35 spline).

Chrysler 8.75”.

The Yukon Powr-Lok is a very aggressive design for extreme traction.

Floating cross shafts that activates against ramps in the case.

4 Spider Pinion gears increase strength.

Rebuildable.