Yukon Zip Locker

The Zip Locker is an air-operated locking differential. Zip Lockers are a selectable positraction offering owners the option of a 100-percent locked or fully open operations. This provides the advantage of, when unlocked, the positraction supplies a tight turning distance and when it's locked it provides maximum traction. Engaged, this positraction lockup 100% and behave like a spool without differential actions or difference in speed between the left and right wheels allowed. This is the ideal locker for off-road use or driving on ice and snow. Zip Locker utilizes a forged case and makes use of 4320 high Nickel Chrome-Moly steel supplying maximum strength and performance. Zip locker is supplied with an installation kit that includes air solenoid, air line, fittings. All that is required for operation is a compressor. Zip Positractions fix Dana 30, 35, 44, 60, Ford 10.25 inch and Toyota rear ends.

Zip Positraction Features:

  • Forged case and 8620 internals for additional strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
  • Six Year Yukon Warranty

The Yukon Zip Locker is definitely the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, providing you the ultimate in driver selectability.

When installing your brand-new Zip Locker its a great time to replace all of your bearings, gaskets and seal, ask your ProvenForce.com salesman he's a specialist and suggest just the components you'll need, costing you less, call 800-444-0755.

Part Number DESCRIPTION Your Cost
Zip Locker
YZLD30-4-27 Dana 30 with 27 spline axles, 3.73 & up $888.00
YZLD30-4-30 Dana 30 with 30 spline axles, 3.73 & up $888.00
YZLM35-4-27 Dana 35 with 27 spline axles, 3.54 & up $858.00
YZLM35-4-30 Dana 35 with 30 spline axles, 3.54 & up $858.00
YZLD44-3-30 Dana 44 with 30 spline axles, 3.73 & down $895.00
YZLD44-4-30 Dana 44 with 30 spline axles, 3.92 & up $895.00
YZLD44-3-30-JK Dana 44, non-Rubicon JK, 30 spline. $895.00
YZLD60-3-30 Dana 60 with 30 spline axles, 4.10 & down $993.00
YZLD60-4-30 Dana 60 with 30 spline axles, 4.56 & up $993.00
YZLD60-3-35 Dana 60 with 35 spline axles, 4.10 & down $993.00
YZLD60-3-35HC Dana 60 with 35 spline axles, 4.10 & down Competition only Dana $1,150.79
YZLD60-4-35 Dana 60 with 35 spline axles, 4.56 & up $993.00
YZLD60-4-35HC Dana 60 with 35 spline axles, Competition only 4.56 & up $1,150.79
YZLF10.25-35 Ford 10.25 Inch & 10.5", full float only. $998.00
YZLT8-30 Toyota 8 Inch 4 cylinder $883.00


Positraction Units are available for both 2WD and 4WD vehicles, installation is available in our shop in Maple Grove, MN. For Free Technical support call 1-800-444-0755. Call and talk to an expert, planning a repair or performance upgrade, let Prove Force help you save some money.