Dana 60, 30-Spline, Dodge 1975-1993, GM 1977-1991, Ford 1978-1997, Locking Hub Set, (YHC70003) ZJ That's because the peaks of

That's because the peaks of the threads were created with pressure

but will fit 99-Ford Dana 60 with ball joints

Improper installation of this part can cause catastrophic failure

and in stock form is tapered to fit Chevy tie rod ends (EX2234 left and right)

If you have a JL

Dana 60, 30-Spline, Dodge 1975-1993, GM 1977-1991, Ford 1978-1997, Locking Hub Set, (YHC70003) ZJ That's because the peaks ofYukon Hardcore Locking Hub, Dana 60, 30 Spline, 75 93 Dodge 77 91 GM 78 97 Ford Product Details Yukon Hardcore Locking Hubs feature chromoly internals and all steel construction for ultimate durability and strength. These hubs won't disengage under high torque applications and default to the locked position in use. Engagement comes from just a 1 3 turn of the all steel, low profile bezel, ensuring quick changes between two wheel and four wheel drive.