How many splines do my axles have?

[95bucket]

95 k2500
6 lug semi floating axles

Planning a trutrac diff and wanna get the right kit

 

[Chevy man 88]

95 k2500
6 lug semi floating axles

Planning a trutrac diff and wanna get the right kit

if its 14 bolt semi floater then 33 spline