Note that most upgraded aftermarket chromoly axleshafts are machined to accept full circle snap rings to retain the axle joint caps. Whenever possible, Rusty's recommends using full-circle snap rings rather than the traditional clips supplied with the joint. Full snap rings are a much more reliable method of retaining the caps.
These are genuine Dana Spicer parts, not cheap parts store imitations! Trust only genuine Spicer parts on your 4x4.