C-clips? 26 to 28 spline?

[mkube396]

i am upgrading frome 26 spline to 28 spline will i be useing the same C-clips?

 

[pontiacgp]

the c-clips for the 28 spline are larger...

 

[mkube396]

That’s what I was thinking.... so Are the 8.5" and 7.5" axles with 28 spline interchangeable?
if they are i can order 8.5" 28 spline C-clips from work..

and if not i have been looking at day.. i need a part number