Front Axle; Dana 60 GM Style - 4340 Chromoly Outer Stub 12 35 SplineUses 5-806x ---The Model 60 Axle assembly has been an established upgrade for decades. Its also become a standard of the axle aftermarket, due to readily available high strength differentials and gears. Now TEN Factory offers chromoly front and rear axle shafts to maximize the strength and durability of your Model 60. *4340 Chromoly Material High strength and ductility *Dual Heat Treated puts the strength precisely where designed *Available as Blanks made to order custom shafts for unique applications