This Fits All Ratios of the JK Dana 44 ring and pinions because they are Thick Gears and require a carrier/locker with a 2.090 Deck Height! This Air Locker uses SAE Carrier Bearings and WILL NOT fit a Metric JK Rubicon Dana 44 Housing!! This air locker is drilled with 1/2" holes for the JK Dana 44 1/2" Ring Gear Bolts! The Yukon Zip Locker is an air operated locker that provides traction for both off-road, and regular driving street use. This on-demand traction system can be operated from an open differential when street driving, to 100% lockup when needed on harsh conditions.
The Yukon Zip Locker has a forged case and the internals are crafted from 8620 gear steel for added strength. This kit includes the the air locker differential, seal housing, new carrier bearings, fittings, switches, and air line.
Please note that an air compressor is not provided in this kit. Can use a variety of air delivery systems.