Ultimate 40 Spline Stub
for Ultimate Unit Bearings

Elevate your off-road performance with the 40 spline Spidertrax Ultimate Stub Shaft. Featuring 4340 chromoly billet construction, this stub shaft ensures exceptional strength and durability. Its superior 50 degree steering angle and precise engineering make it the perfect match for the Spidertrax Ultimate U-Joint, 40 Spline Ultimate Inner Axle Shaft, and 40 Spline Ultimate Unit Bearing. Designed for those who demand the best, this stub shaft is the ultimate addition to your complete axle set.

Reinforced Yoke Ears Strengthened yoke ears means enhanced durability. Our center locking trunnions securely hold the yoke ears in place, preventing spreading in high torque situations.

Optimized Steering Our unique trunnion pin design enables a thicker cross-section yoke year while maintaining a 50-degree steering angle, ensuring precision handling in any terrain.

Billet Construction Our axle stub shafts are crafted from billet 4340 steel. The design and material of the Ultimate Stub Shaft is matched to our Ultimate U-Joint and Ultimate inner axle shaft.

Ultimate U-Joint Comparable to a 1480 series u-joint but with larger dims all around. Our Ultimate U-Joint boasts larger outer diameter, ear-to-ear measurements, and trunnion size.