SAS leaf springs front

[cyclegrip]

What are the longest leafs that can be used in an SAS for the front of a ranger?

I have F150 rear springs I was thinking about using for the front they are 56" long.

 

[DB_1]

Say bye bye to approach angle. Why so long?

 

[cyclegrip]

Basically just because I have them, maybe I'll try the ranger ruf