Yukon Zip Locker for Dana 60, 35-Spline, 4.10 & Down RCTB300WJ yet they maintain their seal

yet they maintain their seal and keep water and contaminants out while maintaining an effective seal that prevents gear oil from seeping out of the differential housing

Leave it to our field-testing to find every weakness in a factory design

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2-piece caliper with six

Yukon Zip Locker for Dana 60, 35-Spline, 4.10 & Down RCTB300WJ yet they maintain their sealThe Yukon Zip Locker is 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, giving you the ultimate in driver selectability. Fits Dana Spicer 60 with 35 spline axles 4. 10 and down ratio only Forged case and 8620 internals for added strength Works with a variety of air delivery systems Assembled in the USA Technical Notes This is a narrow case locker. If you have a