Yukon Gear & Axle. Axles.

YUKON PERFORMANCE & REPLACEMENT AXLES When it's all about strength, Yukon's built-to-last rear performance axles are up to 37% stronger than other after market options. Complete the job with American Made Hardcore 4340 Chrome-Moly front axles.
4340 Chrome-Moly Full Float Axles Up to 37% stronger than other aftermarket axles Cut-to-length design fits a variety of applications Available for GM & Chrysler 11.5”, GM 10.5” 14T, D60, D70 & D80 Larger spline upgrades available
Rear Axles One piece forged 1541H material. 25% increased strength over OE stock 1040/1050 material. Rolled splines provide 30% increased strength over cut splines.
Front Axles Forged from 4340 material & heat treated for high tensile and yield strength. Increased material in the yoke area for added strength. Rolled Splines – 30% increased strength over cut splines.