Yukon’s Zip Locker for Dana 60 with 30-spline axles (4.10 and down ratios) is an air-operated locker that switches an open differential to 100% lockup on demand. It features a forged case and 8620 internals for added strength and is compatible with various air delivery systems. Assembled in the USA, it’s intended for heavy-duty Dana 60 applications meeting the specified spline and ratio.
Yukon Gear Zip Locker For Dana 60 w/ 30 Spline Axles / 4.10 & Down