what to look for in a dana 60??

Rainy Day Auto said
Anyone know the difference between a

"True Loc posi- 35 spline" $175.

and a

"Truetrac 35 spline" $545.00

What's the difference other than 370 bucks??

Supposed to be a better limited slip setup, might be overkill for a street ride. Check this out,actually a cool setup...

https://www.google.com/url?sa=t&sou...RuW7dhrkGUU7W4o6Q&sig2=E4cgRLQ-OmajNGkbMuiA_g